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v3.19.2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cash flows from operating activities: |  |
Net income (loss) | $ 4,765 | $ (18,484)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 8,913 | 7,526
Amortization of net premium on available-for-sale investments | (57) | 20
Net gain on long-term investments | (8,411) | (893)
Net loss on disposal of property, plant and equipment | 58 | 68
Gain on contingency | (1,230) |
Gain on bargain purchase of a business |  | (11,322)
Gain on life insurance proceeds | (1,000) |
Stock-based compensation expense | 3,313 | 3,603
Deferred income taxes | (1,880) | (16,384)
Changes in operating assets and liabilities: |  |
Accounts receivable, net | (17,288) | 66,931
Other receivables | 11,678 | 9
Inventory, net | 4,612 | 2,063
Prepaid expenses and other assets | 4,715 | 10,157
Accounts payable, net | 5,009 | 683
Accrued expenses and other liabilities | 640 | 2,008
Income tax payable | (2,830) | 6,945
Net cash provided by operating activities | 11,007 | 52,930
Cash flows from investing activities: |  |
Purchases of property, plant and equipment | (4,307) | (4,183)
Proceeds from sales and maturities of debt and equity investments | 24,306 | 86,436
Purchases of debt and equity investments | (21,544) | (89,801)
Life insurance proceeds received | 1,000 |
Acquisition of business | 13 | (7,806)
Net cash used in investing activities | (532) | (15,354)
Cash flows from financing activities: |  |
Proceeds from stock option exercises | 526 | 369
Purchases of treasury stock | (184) | (12,774)
Dividend payments | (8,604) | (8,679)
Net cash used in financing activities | (8,262) | (21,084)
Net increase in cash and cash equivalents | 2,213 | 16,492
Effect of exchange rate changes | (900) | (2,606)
Cash and cash equivalents, beginning of period | 105,504 | 86,433
Cash and cash equivalents, end of period | 106,817 | 100,319
Supplemental disclosure of non-cash investing activities: |  |
Purchases of property, plant and equipment included in accounts payable | $ 205 | $ 209

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