10-K Filing

STERLING INFRASTRUCTURE, INC. CIK: 874238 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0000874238-18-000022`
Period End Date	20171231
Filing Date	20180306
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	strl-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 80 Income Statement 93 Cash Flow Statement 130 Stockholders Equity 29 Comprehensive Income 23

Balance Sheet 80 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.43M	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$83.95M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$22.84M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$42.78M	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Receivables, including retainage	`ReceivablesLongTermContractsOrPrograms`	$84.13M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Receivables, including retainage	`ReceivablesLongTermContractsOrPrograms`	$133.93M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	38.00M	shares	Point-in-time
Costs and estimated earnings in excess of billings on uncompleted contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$32.70M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	28.00M	shares	Point-in-time
Costs and estimated earnings in excess of billings on uncompleted contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$37.11M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	24.99M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	27.05M	shares	Point-in-time
Inventories	`InventoryNet`	$3.71M	USD	Point-in-time
Inventories	`InventoryNet`	$4.62M	USD	Point-in-time
Receivables from and equity in construction joint ventures	`ReceivablesFromAndEquityInConstructionJointVenture`	$11.38M	USD	Point-in-time
Receivables from and equity in construction joint ventures	`ReceivablesFromAndEquityInConstructionJointVenture`	$7.13M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$5.45M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$7.53M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$278.53M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$175.91M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$68.13M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$54.41M	USD	Point-in-time
Goodwill	`Goodwill`	$54.82M	USD	Point-in-time
Goodwill	`Goodwill`	$85.23M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	-	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$44.82M	USD	Point-in-time
Other assets, net	`OtherAssetsNoncurrent`	$317.00K	USD	Point-in-time
Other assets, net	`OtherAssetsNoncurrent`	$2.97M	USD	Point-in-time
Total assets	`Assets`	$301.82M	USD	Point-in-time
Total assets	`Assets`	$463.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$67.10M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$97.46M	USD	Point-in-time
Billings in excess of costs and estimated earnings on uncompleted contracts	`BillingsInExcessOfCostCurrent`	$62.37M	USD	Point-in-time
Billings in excess of costs and estimated earnings on uncompleted contracts	`BillingsInExcessOfCostCurrent`	$64.10M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$3.98M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$3.85M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$78.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$81.00K	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$9.05M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$5.32M	USD	Point-in-time
Other current liabilities	`AccruedLiabilitiesCurrent`	$6.15M	USD	Point-in-time
Other current liabilities	`AccruedLiabilitiesCurrent`	$9.35M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$182.29M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$146.59M	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$1.55M	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$86.16M	USD	Point-in-time
Members interest subject to mandatory redemption and undistributed earnings	`MembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$47.39M	USD	Point-in-time
Members interest subject to mandatory redemption and undistributed earnings	`MembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$45.23M	USD	Point-in-time
Other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$362.00K	USD	Point-in-time
Other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.27M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$134.82M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$47.14M	USD	Point-in-time
Commitments and contingencies (Note 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share; 1,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share; 1,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock, par value $0.01 per share; 38,000,000 and 28,000,000 shares authorized, 27,051,468 and 24,987,306 shares issued	`CommonStockValue`	$250.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 38,000,000 and 28,000,000 shares authorized, 27,051,468 and 24,987,306 shares issued	`CommonStockValue`	$271.00K	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapital`	$208.92M	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapital`	$231.18M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-90.12M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-101.74M	USD	Point-in-time
Total Sterling common stockholders equity	`StockholdersEquity`	$141.33M	USD	Point-in-time
Total Sterling common stockholders equity	`StockholdersEquity`	$107.43M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$656.00K	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$4.86M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.15M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$146.19M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$108.09M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$95.75M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$301.82M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$463.30M	USD	Point-in-time

Income Statement 93 line items

Line Item	Tag	Value	Unit	Period
Revenues	`Revenues`	$253.91M	USD	1 Quarter
Revenues	`Revenues`	$189.58M	USD	1 Quarter
Revenues	`Revenues`	$205.63M	USD	1 Quarter
Revenues	`Revenues`	$126.57M	USD	1 Quarter
Revenues	`Revenues`	$153.42M	USD	1 Quarter
Revenues	`Revenues`	$246.41M	USD	1 Quarter
Revenues	`Revenues`	$690.12M	USD	Annual
Revenues	`Revenues`	$304.22M	USD	1 Quarter
Revenues	`Revenues`	$957.96M	USD	Annual
Revenues	`Revenues`	$168.34M	USD	1 Quarter
Revenues	`Revenues`	$623.60M	USD	Annual
Cost of revenues	`CostOfGoodsSold`	$595.94M	USD	Annual
Cost of revenues	`CostOfGoodsSold`	$868.87M	USD	Annual
Cost of revenues	`CostOfGoodsSold`	$648.07M	USD	Annual
Gross profit	`GrossProfit`	$30.63M	USD	1 Quarter
Gross profit	`GrossProfit`	$3.55M	USD	1 Quarter
Gross profit	`GrossProfit`	$6.34M	USD	1 Quarter
Gross profit	`GrossProfit`	$15.54M	USD	1 Quarter
Gross profit	`GrossProfit`	$9.29M	USD	1 Quarter
Gross profit	`GrossProfit`	$16.62M	USD	1 Quarter
Gross profit	`GrossProfit`	$25.20M	USD	1 Quarter
Gross profit	`GrossProfit`	$27.65M	USD	Annual
Gross profit	`GrossProfit`	$23.97M	USD	1 Quarter
Gross profit	`GrossProfit`	$89.09M	USD	Annual
Gross profit	`GrossProfit`	$42.06M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$48.35M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$36.84M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$40.47M	USD	Annual
Other operating expense, net	`OtherOperatingIncomeExpenseNet`	$-14.56M	USD	Annual
Other operating expense, net	`OtherOperatingIncomeExpenseNet`	$-1.57M	USD	Annual
Other operating expense, net	`OtherOperatingIncomeExpenseNet`	$-9.94M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$26.18M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$-14.39M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$-4.73M	USD	Annual
Interest income	`InterestIncomeOther`	$314.00K	USD	Annual
Interest income	`InterestIncomeOther`	$33.00K	USD	Annual
Interest income	`InterestIncomeOther`	$460.00K	USD	Annual
Interest expense	`InterestExpenseAndAccretedInterest`	$2.63M	USD	Annual
Interest expense	`InterestExpenseAndAccretedInterest`	$9.80M	USD	Annual
Interest expense	`InterestExpenseAndAccretedInterest`	$3.01M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-755.00K	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-240.00K	USD	Annual
Income (loss) before income taxes and earnings attributable to noncontrolling interests	`IncomeBeforeIncomeTaxesAndEarningsAttributableToNoncontrollingInterests`	$-17.18M	USD	Annual
Income (loss) before income taxes and earnings attributable to noncontrolling interests	`IncomeBeforeIncomeTaxesAndEarningsAttributableToNoncontrollingInterests`	$15.94M	USD	Annual
Income (loss) before income taxes and earnings attributable to noncontrolling interests	`IncomeBeforeIncomeTaxesAndEarningsAttributableToNoncontrollingInterests`	$-7.32M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$88.00K	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$118.00K	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$7.00K	USD	Annual
Net income (loss)	`ProfitLoss`	$-35.96M	USD	Annual
Net income (loss)	`ProfitLoss`	$15.82M	USD	Annual
Net income (loss)	`ProfitLoss`	$-7.41M	USD	Annual
Net income (loss), including portion attributable to noncontrolling interest, revaluation of noncontrolling interest due to a new agreement	`NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestRevaluationOfNoncontrollingInterestDueToANewAgreement`	$-17.19M	USD	Annual
Noncontrolling owners interests in earnings of subsidiaries and joint ventures	`NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable`	$3.22M	USD	Annual
Noncontrolling owners interests in earnings of subsidiaries and joint ventures	`NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable`	$1.83M	USD	Annual
Noncontrolling owners interests in earnings of subsidiaries and joint ventures	`NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable`	$4.20M	USD	Annual
Net income (loss) attributable to Sterling common stockholders before noncontrolling interest revaluation	`NetIncomeLoss`	$11.62M	USD	Annual
Net income (loss) attributable to Sterling common stockholders before noncontrolling interest revaluation	`NetIncomeLoss`	$-20.40M	USD	Annual
Net income (loss) attributable to Sterling common stockholders before noncontrolling interest revaluation	`NetIncomeLoss`	$-9.24M	USD	Annual
Revaluation of a noncontrolling interest due to a new agreement	`RevaluationOfNonControllingInterestObligationsReflectedInRetainedEarningsNetOfTax`	$-18.77M	USD	Annual
Revaluation of a noncontrolling interest due to a new agreement	`RevaluationOfNonControllingInterestObligationsReflectedInRetainedEarningsNetOfTax`	-	USD	Annual
Revaluation of a noncontrolling interest due to a new agreement	`RevaluationOfNonControllingInterestObligationsReflectedInRetainedEarningsNetOfTax`	-	USD	Annual
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.08M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-39.18M	USD	Annual
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.42M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-7.33M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.26M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-9.24M	USD	Annual
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.02M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.13M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.66M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.35M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$11.62M	USD	Annual
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$-2.02	USD	Annual
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$0.27	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$0.44	USD	Annual
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$0.14	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$0.11	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$-0.40	USD	Annual
Net income (loss) attributable to Sterling common stockholders, basic (in dollars per share)	`EarningsPerShareBasic`	$-0.09	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.11	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.09	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.43	USD	Annual
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.13	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.26	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$-2.02	USD	Annual
Net income (loss) attributable to Sterling common stockholders, diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.40	USD	Annual
Weighted average common shares outstanding, basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	19.38M	shares	Annual
Weighted average common shares outstanding, basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	26.27M	shares	Annual
Weighted average common shares outstanding, basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	23.14M	shares	Annual
Weighted average number of shares outstanding, diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	19.38M	shares	Annual
Weighted average number of shares outstanding, diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	26.71M	shares	Annual
Weighted average number of shares outstanding, diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	23.14M	shares	Annual

Cash Flow Statement 130 line items

Line Item	Tag	Value	Unit	Period
Shares issued in acquisition of business (in shares)	`BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued`	1.88M	shares	Annual
Warrants issued during the period (in shares)	`ClassOfWarrantOrRightIssuedDuringThePeriod`	1.00M	shares	Annual
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.08M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-39.18M	USD	Annual
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.42M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-7.33M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.26M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-9.24M	USD	Annual
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.02M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.13M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.66M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.35M	USD	1 Quarter
Net income (loss) attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$11.62M	USD	Annual
Plus: Noncontrolling owners interests in earnings of subsidiaries and joint ventures	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.20M	USD	Annual
Plus: Noncontrolling owners interests in earnings of subsidiaries and joint ventures	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.83M	USD	Annual
Plus: Noncontrolling owners interests in earnings of subsidiaries and joint ventures	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.22M	USD	Annual
Net income (loss)	`ProfitLoss`	$-35.96M	USD	Annual
Net income (loss)	`ProfitLoss`	$15.82M	USD	Annual
Net income (loss)	`ProfitLoss`	$-7.41M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$16.24M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$15.70M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$16.99M	USD	Annual
Revaluation of noncontrolling interest due to a new agreement	`IncreaseDecreaseInRevaluationOfNoncontrollingInterest`	$18.77M	USD	Annual
Revaluation of noncontrolling interest due to a new agreement	`IncreaseDecreaseInRevaluationOfNoncontrollingInterest`	-	USD	Annual
Revaluation of noncontrolling interest due to a new agreement	`IncreaseDecreaseInRevaluationOfNoncontrollingInterest`	-	USD	Annual
Loss (gain) on disposal of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$367.00K	USD	Annual
Loss (gain) on disposal of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.48M	USD	Annual
Loss (gain) on disposal of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-171.00K	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-755.00K	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-240.00K	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$1.60M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$1.81M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$2.84M	USD	Annual
Contracts receivable	`IncreaseDecreaseInContractReceivablesNet`	$3.22M	USD	Annual
Contracts receivable	`IncreaseDecreaseInContractReceivablesNet`	$29.92M	USD	Annual
Contracts receivable	`IncreaseDecreaseInContractReceivablesNet`	$2.02M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInUnbilledReceivables`	$-6.50M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInUnbilledReceivables`	$1.46M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInUnbilledReceivables`	$5.80M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$1.17M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-4.87M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-305.00K	USD	Annual
Receivables from and equity in construction joint ventures	`IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures`	$-5.80M	USD	Annual
Receivables from and equity in construction joint ventures	`IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures`	$4.25M	USD	Annual
Receivables from and equity in construction joint ventures	`IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures`	$3.78M	USD	Annual
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-1.42M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-624.00K	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-595.00K	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-8.13M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-7.83M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$8.14M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$13.58M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$-2.03M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$4.91M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$33.54M	USD	Annual
Accrued compensation and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$319.00K	USD	Annual
Accrued compensation and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$7.43M	USD	Annual
Accrued compensation and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-3.15M	USD	Annual
Members interest subject to mandatory redemption and undistributed earnings	`IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$2.16M	USD	Annual
Members interest subject to mandatory redemption and undistributed earnings	`IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$1.42M	USD	Annual
Members interest subject to mandatory redemption and undistributed earnings	`IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$-5.21M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$43.92M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$23.01M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$8.68M	USD	Annual
Tealstsone acquisition, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$54.86M	USD	Annual
Tealstsone acquisition, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Tealstsone acquisition, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$8.09M	USD	Annual
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$9.42M	USD	Annual
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$10.89M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$8.54M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$2.71M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$8.38M	USD	Annual
Restricted Cash	`IncreaseDecreaseInRestrictedCash`	-	USD	Annual
Restricted Cash	`IncreaseDecreaseInRestrictedCash`	$4.95M	USD	Annual
Restricted Cash	`IncreaseDecreaseInRestrictedCash`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-55.90M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-4.49M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-8.17M	USD	Annual
Repayments under long-term obligations other	`ProceedsFromRepaymentsOfOtherDebt`	$-677.00K	USD	Annual
Repayments under long-term obligations other	`ProceedsFromRepaymentsOfOtherDebt`	$-1.18M	USD	Annual
Repayments under long-term obligations other	`ProceedsFromRepaymentsOfOtherDebt`	$-3.22M	USD	Annual
Distributions to noncontrolling interest owners	`PaymentsToMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interest owners	`PaymentsToMinorityShareholders`	$1.08M	USD	Annual
Distributions to noncontrolling interest owners	`PaymentsToMinorityShareholders`	$3.40M	USD	Annual
Net proceeds from stock issued	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Net proceeds from stock issued	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Net proceeds from stock issued	`ProceedsFromIssuanceOfCommonStock`	$19.14M	USD	Annual
Debt issuance costs	`PaymentsOfFinancingCosts`	$1.31M	USD	Annual
Debt issuance costs	`PaymentsOfFinancingCosts`	-	USD	Annual
Debt issuance costs	`PaymentsOfFinancingCosts`	$6.87M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$637.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$191.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-76.00K	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.61M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$74.06M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-22.61M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-18.42M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$41.17M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$38.36M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$4.43M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$83.95M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$22.84M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$42.78M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$4.43M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$83.95M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$22.84M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$42.78M	USD	Point-in-time
Cash paid during the period for interest	`InterestPaid`	$2.89M	USD	Annual
Cash paid during the period for interest	`InterestPaid`	$2.63M	USD	Annual
Cash paid during the period for interest	`InterestPaid`	$9.80M	USD	Annual
Cash paid during the period for income taxes	`IncomeTaxesPaid`	$72.00K	USD	Annual
Cash paid during the period for income taxes	`IncomeTaxesPaid`	$547.00K	USD	Annual
Cash paid during the period for income taxes	`IncomeTaxesPaid`	$279.00K	USD	Annual
Share consideration given for Tealstone acquisition (1,882,058 shares)	`BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable`	-	USD	Annual
Share consideration given for Tealstone acquisition (1,882,058 shares)	`BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable`	-	USD	Annual
Share consideration given for Tealstone acquisition (1,882,058 shares)	`BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable`	$17.06M	USD	Annual
Notes and deferred payments to sellers	`NoncashOrPartNoncashAcquisitionNotesPayableAndDeferredPaymentsIncurred`	$11.59M	USD	Annual
Notes and deferred payments to sellers	`NoncashOrPartNoncashAcquisitionNotesPayableAndDeferredPaymentsIncurred`	-	USD	Annual
Notes and deferred payments to sellers	`NoncashOrPartNoncashAcquisitionNotesPayableAndDeferredPaymentsIncurred`	-	USD	Annual
Warrants issued to lenders (1,000,000 Warrants)	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$3.50M	USD	Annual
Warrants issued to lenders (1,000,000 Warrants)	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	-	USD	Annual
Warrants issued to lenders (1,000,000 Warrants)	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	-	USD	Annual
Revaluation of noncontrolling interests	`IncreaseDecreaseInRevaluationOfNoncontrollingInterestRlwPutcallLiabilityNetOfTax`	$-26.14M	USD	Annual
Revaluation of noncontrolling interests	`IncreaseDecreaseInRevaluationOfNoncontrollingInterestRlwPutcallLiabilityNetOfTax`	-	USD	Annual
Revaluation of noncontrolling interests	`IncreaseDecreaseInRevaluationOfNoncontrollingInterestRlwPutcallLiabilityNetOfTax`	-	USD	Annual
Transportation and construction equipment acquired through financing arrangements	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$70.00K	USD	Annual
Transportation and construction equipment acquired through financing arrangements	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$2.66M	USD	Annual
Transportation and construction equipment acquired through financing arrangements	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$740.00K	USD	Annual

Stockholders Equity 29 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.15M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$146.19M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$108.09M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$95.75M	USD	Point-in-time
Net (loss) income	`NetIncomeLossIncludingPortionAttributableToNoncontrollingInterest1`	$-35.96M	USD	Annual
Net (loss) income	`ProfitLoss`	$-35.96M	USD	Annual
Net (loss) income	`ProfitLoss`	$15.82M	USD	Annual
Net (loss) income	`ProfitLoss`	$-7.41M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	-	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$101.00K	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$1.81M	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$1.60M	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$2.84M	USD	Annual
Reclassification and revaluation of noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalRevaluationOfNoncontrollingInterestPutCallLiability`	$-7.37M	USD	Annual
Reclassification and revaluation of noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalRevaluationOfNoncontrollingInterestPutCallLiability`	-	USD	Annual
Reclassification and revaluation of noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalRevaluationOfNoncontrollingInterestPutCallLiability`	-	USD	Annual
Distribution to owners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.08M	USD	Annual
Distribution to owners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.40M	USD	Annual
Distribution to owners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	-	USD	Annual
Warrants issued to lenders	`AdjustmentsToAdditionalPaidInCapitalWarrantIssued`	$3.50M	USD	Annual
Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-370.00K	USD	Annual
Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-1.12M	USD	Annual
Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-125.00K	USD	Annual
Stock issued in equity offering, net of expense	`StockIssuedDuringPeriodValueNewIssues`	$19.14M	USD	Annual
Stock issued for Tealstone acquisition	`StockIssuedDuringPeriodValueAcquisitions`	$17.06M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.15M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$146.19M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$108.09M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$95.75M	USD	Point-in-time

Comprehensive Income 23 line items

Line Item	Tag	Value	Unit	Period
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.08M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-39.18M	USD	Annual
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.42M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-7.33M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.26M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-9.24M	USD	Annual
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.02M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.13M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$3.66M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.35M	USD	1 Quarter
Net income attributable to Sterling common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$11.62M	USD	Annual
Net income attributable to noncontrolling interest included in equity	`NetincomeAttributableToNoncontrollingInterestIncludedInequity`	$3.22M	USD	Annual
Net income attributable to noncontrolling interest included in equity	`NetincomeAttributableToNoncontrollingInterestIncludedInequity`	$4.20M	USD	Annual
Net income attributable to noncontrolling interest included in equity	`NetincomeAttributableToNoncontrollingInterestIncludedInequity`	$1.83M	USD	Annual
Realized loss from settlement of derivatives	`GainLossOnSaleOfDerivatives`	$107.00K	USD	Annual
Realized loss from settlement of derivatives	`GainLossOnSaleOfDerivatives`	-	USD	Annual
Realized loss from settlement of derivatives	`GainLossOnSaleOfDerivatives`	-	USD	Annual
Change in the effective portion of unrealized loss in fair market value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	Annual
Change in the effective portion of unrealized loss in fair market value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	Annual
Change in the effective portion of unrealized loss in fair market value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-6.00K	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-7.41M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-35.86M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$15.82M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.