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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Operating activities: |  |  |
Net income (loss) | $ (44,766,000) | $ 3,515,000 | $ (25,364,000)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities: |  |  |
Depreciation | 12,909,000 | 25,448,000 | 26,204,000
Amortization of deferred revenue | (2,008,000) | (5,223,000) | 0
Asset impairment | 7,672,000 | 0 | 7,202,000
Provision for bad debts | 21,000 | 493,000 | 448,000
Loss (gain) on the sale of assets | 224,000 | (757,000) | (10,000)
Deferred income taxes | (23,234,000) | 1,409,000 | (14,061,000)
Stock-based compensation expense | 2,741,000 | 3,125,000 | 2,707,000
Changes in operating assets and liabilities: |  |  |
Contracts receivable, net | (8,319,000) | 28,067,000 | 31,740,000
Contracts in progress | (1,544,000) | (13,984,000) | 14,167,000
Advance billings on contracts | 1,159,000 | (3,197,000) | (11,685,000)
Accounts payable | 9,354,000 | (12,757,000) | (26,668,000)
Prepaid expenses and other assets | 388,000 | 230,000 | 1,092,000
Inventory | 356,000 | 6,501,000 | 931,000
Accrued contract losses | 7,231,000 | (9,108,000) | 8,678,000
Deferred revenue | (4,917,000) | (11,656,000) | 0
Deferred compensation | 1,608,000 | 305,000 | 0
Accrued expenses | 2,709,000 | 2,220,000 | (5,302,000)
Current income taxes | (969,000) | (63,000) | 615,000
Net cash provided by (used in) operating activities | (39,385,000) | 14,568,000 | 10,694,000
Cash flows from investing activities: |  |  |
Cash received in acquisition | 0 | 3,035,000 | 0
Capital expenditures, net | (4,834,000) | (6,795,000) | (6,018,000)
Proceeds from the sale of equipment | 2,155,000 | 6,458,000 | 11,000
Proceeds from insurance recoveries | 1,544,000 | 0 | 0
Net cash provided by (used in) investing activities | (1,135,000) | 2,698,000 | (6,007,000)
Cash flows from financing activities: |  |  |
Borrowings against credit agreement | 2,000,000 | 0 | 0
Payments on credit agreement | (2,000,000) | 0 | 0
Payment of financing costs | (150,000) | (122,000) | 0
Tax payments made on behalf of employees from withheld, vested shares of common stock | (916,000) | (217,000) | (79,000)
Payments of dividends on common stock | (598,000) | (588,000) | (5,865,000)
Net cash used in financing activities | (1,664,000) | (927,000) | (5,944,000)
Net increase (decrease) in cash and cash equivalents | (42,184,000) | 16,339,000 | (1,257,000)
Cash and cash equivalents at beginning of period | 51,167,000 | 34,828,000 | 36,085,000
Cash and cash equivalents at end of period | 8,983,000 | 51,167,000 | 34,828,000
Supplemental cash flow information: |  |  |
Interest paid | 349,000 | 332,000 | 165,000
Income taxes paid (refunds received), net | 189,000 | 377,000 | (152,000)
Schedule of noncash financing activities |  |  |
Reclassification of property, plant and equipment to assets held for sale | 109,488,000 | 0 | 4,805,000
Reclassification of assets held for sale to inventory | $ 0 | $ 0 | $ 3,727,000

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- Definition Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21B -URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080549-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: 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=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + 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=63488584&loc=d3e20235-122688 + Details
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- Definition The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.3) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 3: 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=98514028&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + 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=98514028&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + 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=98514028&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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