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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Operating activities: |  |  |
Net income (loss) | $ 15,320 us-gaap_NetIncomeLoss | $ 7,232 us-gaap_NetIncomeLoss | $ (4,091)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation | 26,436 us-gaap_Depreciation | 25,087 us-gaap_Depreciation | 23,396 us-gaap_Depreciation
Provision for losses on contract receivables |  |  | 14,501 us-gaap_ProvisionForDoubtfulAccounts
Asset impairment | 3,200 us-gaap_ProductionRelatedImpairmentsOrCharges |  |
Allowance for doubtful accounts | 3,168 gifi_AllowanceForDoubtfulAccountsProvisions | 887 gifi_AllowanceForDoubtfulAccountsProvisions |
Loss on the sale of assets | 86 us-gaap_GainLossOnDispositionOfAssets1 | 353 us-gaap_GainLossOnDispositionOfAssets1 |
Deferred income taxes | 8,264 us-gaap_IncreaseDecreaseInDeferredIncomeTaxes | 3,788 us-gaap_IncreaseDecreaseInDeferredIncomeTaxes | (1,848)us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Stock-based compensation expense | 1,139 us-gaap_ShareBasedCompensation | 672 us-gaap_ShareBasedCompensation | (259)us-gaap_ShareBasedCompensation
Excess tax benefits from share-based payment arrangements |  | (116)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | 1,222 us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
Changes in operating assets and liabilities: |  |  |
Contracts receivable, net | 14,963 us-gaap_IncreaseDecreaseInContractReceivablesNet | (55,353)us-gaap_IncreaseDecreaseInContractReceivablesNet | (1,937)us-gaap_IncreaseDecreaseInContractReceivablesNet
Contract retainage | 111 gifi_IncreaseDecreaseInContractRetainage | 1,187 gifi_IncreaseDecreaseInContractRetainage | 3,015 gifi_IncreaseDecreaseInContractRetainage
Costs and estimated earnings in excess of billings on uncompleted contracts | (2,262)us-gaap_IncreaseDecreaseInUnbilledReceivables | 1,590 us-gaap_IncreaseDecreaseInUnbilledReceivables | (13,335)us-gaap_IncreaseDecreaseInUnbilledReceivables
Billings in excess of costs and estimated earnings on uncompleted contracts | (16,240)us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings | 9,418 us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings | (20,865)us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings
Accounts payable | (25,782)us-gaap_IncreaseDecreaseInAccountsPayable | 16,569 us-gaap_IncreaseDecreaseInAccountsPayable | 28,983 us-gaap_IncreaseDecreaseInAccountsPayable
Prepaid subcontractor costs |  | 33,145 us-gaap_IncreaseDecreaseInPrepaidExpensesOther | (23,414)us-gaap_IncreaseDecreaseInPrepaidExpensesOther
Prepaid expenses and other assets | 352 gifi_IncreaseDecreaseInPrepaidExpenseAndOtherAssets | (385)gifi_IncreaseDecreaseInPrepaidExpenseAndOtherAssets | (1,113)gifi_IncreaseDecreaseInPrepaidExpenseAndOtherAssets
Inventory | 1,189 us-gaap_IncreaseDecreaseInInventories | (6,325)us-gaap_IncreaseDecreaseInInventories | 1,254 us-gaap_IncreaseDecreaseInInventories
Accrued contract losses | 817 gifi_AccruedContractLosses | (3,790)gifi_AccruedContractLosses | 3,790 gifi_AccruedContractLosses
Accrued employee costs | (154)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | 1,854 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities | 944 us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Accrued expenses | 1,488 us-gaap_IncreaseDecreaseInAccruedLiabilities | (1,462)us-gaap_IncreaseDecreaseInAccruedLiabilities | 2,551 us-gaap_IncreaseDecreaseInAccruedLiabilities
Current income taxes | 15 us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable | 3,652 us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable | (1,757)us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
Net cash provided by operating activities | 32,110 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 38,003 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 11,037 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities: |  |  |
Capital expenditures, net | (27,658)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (21,353)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (35,890)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Proceeds on the sale of equipment | 929 us-gaap_ProceedsFromSaleOfMachineryAndEquipment | 551 us-gaap_ProceedsFromSaleOfMachineryAndEquipment |
Net cash used in investing activities | (26,729)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (20,802)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (35,890)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities: |  |  |
Borrowings against notes payable | 22,000 us-gaap_ProceedsFromNotesPayable | 45,000 us-gaap_ProceedsFromNotesPayable |
Payments on notes payable | (22,000)us-gaap_RepaymentsOfNotesPayable | (45,000)us-gaap_RepaymentsOfNotesPayable |
Proceeds from exercise of stock options | 0 us-gaap_ProceedsFromStockOptionsExercised | 203 us-gaap_ProceedsFromStockOptionsExercised | 17 us-gaap_ProceedsFromStockOptionsExercised
Excess tax benefit from share-based payment arrangements | 0 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 116 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 259 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Payments of dividends on common stock | (5,865)us-gaap_PaymentsOfDividendsCommonStock | (5,839)us-gaap_PaymentsOfDividendsCommonStock | (5,822)us-gaap_PaymentsOfDividendsCommonStock
Net cash used in financing activities | (5,865)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (5,520)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | (5,546)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net (decrease) increase in cash and cash equivalents | (484)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 11,681 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (30,399)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period | 36,569 us-gaap_CashAndCashEquivalentsAtCarryingValue | 24,888 us-gaap_CashAndCashEquivalentsAtCarryingValue | 55,287 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period | 36,085 us-gaap_CashAndCashEquivalentsAtCarryingValue | 36,569 us-gaap_CashAndCashEquivalentsAtCarryingValue | 24,888 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental cash flow information: |  |  |
Interest paid | 169 us-gaap_InterestPaid | 843 us-gaap_InterestPaid | 99 us-gaap_InterestPaid
Income taxes paid (received), net of payments (refunds) | 225 us-gaap_IncomeTaxesPaidNet | 3,138 us-gaap_IncomeTaxesPaidNet | 2,291 us-gaap_IncomeTaxesPaidNet
Schedule of Noncash Financing Activities |  |  |
Reclassification of assets to held for sale |  | $ 14,527 gifi_FinancedReceivablesReclassifiedToAssetsHeldForSale |

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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow from sale of machinery and equipment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Nonrecurring impairment charges related to the write-off of production-related equipment and inventory. This tag is used when an Entity charges this cost to cost of goods sold. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + 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
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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