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v3.19.1

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Cash flows from operating activities: |  |
Net income (loss) | $ 770 | $ (10,814)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 4,496 | 3,614
Amortization of net premium on available-for-sale investments | 6 | 42
Net (gain) loss on long-term investments | (5,926) | 97
Net (gain) loss on disposal of property, plant and equipment | (6) | 67
Gain on bargain purchase of a business |  | (11,322)
Stock-based compensation expense | 1,859 | 1,819
Deferred income taxes | 235 | (1,877)
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 170 | 63,904
Other receivables | 2,001 | (6,598)
Inventory, net | 5,974 | 3,368
Prepaid expenses and other assets | 2,809 | 10,583
Accounts payable, net | 166 | (10,233)
Accrued expenses and other liabilities | (2,355) | 826
Income tax payable | (487) | 2,753
Net cash provided by operating activities | 9,712 | 46,229
Cash flows from investing activities: |  |
Purchases of property, plant and equipment | (1,872) | (1,950)
Proceeds from sales and maturities of debt and equity investments | 17,039 | 49,074
Purchases of debt and equity investments | (15,318) | (75,960)
Acquisition of business |  | (7,806)
Net cash used in investing activities | (151) | (36,642)
Cash flows from financing activities: |  |
Proceeds from stock option exercises |  | 369
Purchases of treasury stock | (184) | (10,171)
Dividend payments | (4,301) | (4,367)
Net cash used in financing activities | (4,485) | (14,169)
Net increase (decrease) in cash and cash equivalents | 5,076 | (4,582)
Effect of exchange rate changes | (1,461) | 772
Cash and cash equivalents, beginning of period | 105,504 | 86,433
Cash and cash equivalents, end of period | 109,119 | 82,623
Supplemental disclosure of non-cash investing activities: |  |
Purchases of property, plant and equipment included in accounts payable | $ 273 | $ 95

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