XML 35 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 13 - Credit Facility and Covenants Compliance (Details) (USD $) In Millions, unless otherwise specified |  | 12 Months Ended | 0 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 Fourth Amendment [Member] Revised Amount [Member] | Dec. 31, 2013 Fourth Amendment [Member] Previous Amount [Member] | Dec. 31, 2013 Fourth Amendment [Member] Removed Option To Increase [Member] | Dec. 31, 2013 Fourth Amendment [Member] Fourth Amendment Modification Increase Borrowing Rates [Member] | Dec. 31, 2013 Fourth Amendment [Member] Increase In Basis Points in 2014[Member] | Dec. 31, 2013 Fourth Amendment [Member] Quarterly Increase In Basis Points After 2015[Member] | Dec. 31, 2013 Fourth Amendment [Member] | Apr. 29, 2014 Fifth Amendment [Member] Revised Amount [Member] | Apr. 29, 2014 Fifth Amendment [Member] Removed Requirement [Member] | Jun. 30, 2014 Fifth Amendment [Member] | Sep. 05, 2014 Sixth Amendment [Member] | May 06, 2014 Revised Amount [Member]
Note 13 - Credit Facility and Covenants Compliance (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 40 | $ 50 | $ 50 |  |  |  |  |  |  |  |  | $ 40
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.50% | 2.00% | 1.00% |  |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  |  | 4.75% |  |  |  |  |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  |  | 0.75% |  |  |  |  |
Debt Instrument, Covenant Compliance, Minimum New Equity Capital Raised |  |  |  |  |  |  |  | 10 | 20 |  |  |
Debt Instrument, Covenant Compliance, Minimum Other Liquidity Raised |  |  |  |  |  |  |  |  | 10 |  |  |
Repayments of Long-term Lines of Credit |  |  |  |  |  |  |  |  |  | 14.1 |  |
Debt Instrument, Covenant Compliance, Maximum Allowable Business Acquisition Purchase Price |  |  |  |  |  |  |  |  |  |  | $ 8 |

X
- Definition Represents the maximum business acquisition purchase price payable in shares of the Company's common stock per the terms of amended Credit Facility. + References No definition available. + Details
Name: | strl_DebtInstrumentCovenantComplianceMaximumAllowableBusinessAcquisitionPurchasePrice
Namespace Prefix: | strl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the minimum amount of new equity capital that must be raised as required by a debt covenant. + References No definition available. + Details
Name: | strl_DebtInstrumentCovenantComplianceMinimumNewEquityCapitalRaised
Namespace Prefix: | strl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the minimum amount of other liquidity that must be raised as required by a debt covenant. + References No definition available. + Details
Name: | strl_DebtInstrumentCovenantComplianceMinimumOtherLiquidityRaised
Namespace Prefix: | strl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | strl_Note13CreditFacilityandCovenantsComplianceDetailsLineItems
Namespace Prefix: | strl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_RepaymentsOfLongTermLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration