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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net loss | $ (31,266) | $ (39,792) | $ (26,279)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |  |
Depreciation and amortization | 39,235 | 44,283 | 47,072
Noncash compensation | 976 | 879 | 1,156
Deferred income tax expense (benefit) | 763 | (6,053) | (14,046)
Gain on proceeds from insurance settlements |  | (2,269) | (407)
Change in other accrued long-term liabilities | (1,489) | (195) | 1,834
(Gain) loss on disposal of assets | (1,714) | (167) | 815
Other | (91) | 186 | (81)
Change in current assets and liabilities: |  |  |
(Increase) decrease in accounts receivable | (16,696) | 19,669 | 15,883
Decrease in prepaid expenses and other current assets | 401 | 1,328 | 1,752
Increase (decrease) in accounts payable | 1,176 | (4,326) | (3,128)
Increase (decrease) in accrued liabilities | 1,458 | (1,810) | (4,579)
Increase (decrease) in deferred revenue | 544 | (2,991) | 620
Net cash (used in) provided by operating activities | (6,703) | 8,742 | 20,612
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Cash acquired from merger |  |  | 12,382
Capital expenditures, net of noncash capital expenditures summarized below | (8,675) | (8,251) | (6,846)
Proceeds from maturity of short-term investments | 61,250 | 91,750 | 34,500
Acquisition of short-term investments | (37,583) | (111,000) | (26,750)
Proceeds from disposal of assets | 1,325 | 1,922 | 1,501
Proceeds from flood insurance claims | 375 | 2,850 | 1,000
Proceeds from notes receivable | 96 |  |
Net cash provided by (used in) investing activities | 16,788 | (22,729) | 15,787
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Proceeds from promissory note |  |  | 5,144
Principal payments on notes payable | (2,186) | (7,554) | (16,348)
Principal payments on capital lease obligations | (1,076) | (780) | (1,535)
Excess tax benefit from share-based payment arrangement |  | (77) | (551)
Tax withholdings related to stock-based compensation awards | (158) | (72) | (316)
Net cash used in financing activities | (3,420) | (8,483) | (13,606)
Effect of exchange rate changes on cash and cash equivalents | 724 | 85 | (428)
Net increase (decrease) in cash and cash equivalents | 7,389 | (22,385) | 22,365
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 14,624 | 37,009 | 14,644
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 22,013 | 14,624 | 37,009
SUPPLEMENTAL CASH FLOW INFORMATION: |  |  |
Cash paid for interest | 143 | 260 | 620
Cash paid for income taxes |  | 33 | 692
Cash received for income taxes | 4,791 | 348 | 752
NONCASH INVESTING AND FINANCING ACTIVITIES: |  |  |
(Decrease) increase in accrued purchases of property and equipment | (907) | $ 1,542 | (52)
Capital lease obligations incurred | 8,542 |  | 126
Stock consideration to consummate the merger |  |  | 42,902
Financed insurance premiums | 248 |  | $ 1,046
Equipment sales financed for buyer | (1,500) |  |
Sales tax on equipment sales financed for buyer | $ (132) |  |

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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586 + Details
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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 The cash inflow from maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + 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 13 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable). + 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 (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + 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 The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
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- Definition The cash outflow to settle a bank borrowing during the year. + 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 + Details
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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, 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=98514028&loc=d3e3291-108585 + 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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