v3.7.0.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Operating activities: |  |
Net loss | $ (18,521) | $ (4,655)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization | 34,011 | 34,761
Deferred income taxes | (7,791) | (3,572)
Loss (gain) on disposal of assets | 7 | (3,939)
Equity in loss of unconsolidated affiliate, net | 1,994 | 76
Inventory valuation reserves | 2,214 | 2,613
Changes in operating assets and liabilities | (19,863) | (24,485)
Net cash (used in) provided by operating activities | (7,949) | 799
Investing activities: |  |
Purchase of property and equipment | (43,892) | (39,908)
Proceeds from asset dispositions | 17 | 10,998
Purchase of short-term investments | (134,518) | (151,436)
Proceeds from sale of short-term investments | 187,217 | 148,838
Payment of deposits on aircraft | (110) | (131)
Net cash provided by (used in) investing activities | 8,714 | (31,639)
Financing activities: |  |
Proceeds from line of credit | 66,525 | 150,800
Payments on line of credit | (67,300) | (113,300)
Repurchase of common stock | (263) | (500)
Net cash (used in) provided by financing activities | (1,038) | 37,000
(Decrease) increase in cash | (273) | 6,160
Cash, beginning of period | 2,596 | 2,407
Cash, end of period | 2,323 | 8,567
Cash paid during the period for: |  |
Interest | 15,250 | 14,329
Income taxes | 1,131 | 1,879
Noncash investing activities: |  |
Other current liabilities and accrued payables related to purchase of property and equipment | $ 15 | $ 64

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