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v3.19.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cash Flows from Operating Activities |  |
Net income (loss) | $ (34,095) | $ (253,461)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 17,315 | 32,306
Non-cash interest expense | 6,219 | 5,771
Deferred income taxes | 10 | (27,658)
Share-based compensation expense | 7,745 | 9,441
Asset impairment |  | 252,343
Changes in operating assets and liabilities: |  |
Accounts receivable and contract assets | 6,227 | (39,655)
Inventories and deferred cost of sales | 8,534 | (9,890)
Prepaid expenses and other current assets | (3,957) | 4,868
Accounts payable and accrued expenses | (25,955) | 11,761
Customer deposits and deferred revenue | 11,294 | (38,573)
Income taxes receivable and payable, net | (587) | (4,189)
Other, net | (891) | (504)
Net cash provided by (used in) operating activities | (8,141) | (57,440)
Cash Flows from Investing Activities |  |
Capital expenditures | (6,441) | (3,796)
Proceeds from the sale of investments | 40,500 | 45,365
Payments for purchases of investments | (76,108) | (65,400)
Net cash provided by (used in) investing activities | (42,049) | (23,831)
Cash Flows from Financing Activities |  |
Cash withholdings for employee stock purchase plan | 1,784 | 2,039
Restricted stock tax withholdings | (2,241) | (2,859)
Purchases of common stock |  | (1,225)
Net cash provided by (used in) financing activities | (457) | (2,045)
Effect of exchange rate changes on cash and cash equivalents | 13 |
Net increase (decrease) in cash, cash equivalents, and restricted cash | (50,634) | (83,316)
Cash, cash equivalents, and restricted cash - beginning of period | 213,082 | 280,583
Cash, cash equivalents, and restricted cash - end of period | 162,448 | 197,267
Supplemental Disclosure of Cash Flow Information |  |
Interest paid | 4,721 | 4,692
Income taxes paid | 2,618 | 3,563
Non-cash operating and financing activities |  |
Net transfer of inventory to property, plant and equipment | 3,695 | $ 6
Right-of-use assets obtained in exchange for lease obligations | $ 339 |

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