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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
OPERATING ACTIVITIES: |  |  |
Net income | $ 33,746 | $ 23,016 | $ 19,922
Adjustments to reconcile net income to net cash flows from operating activities: |  |  |
Depreciation | 7,745 | 6,147 | 4,828
(Gain) Loss on disposals of property and equipment | 156 | (608) | 18
Deferred tax provision | 568 | (868) | 3,219
Provision for doubtful accounts | 214 | 86 | (462)
Issuance of non-employee director shares | 150 | 150 | 96
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (19,353) | (6,668) | (17,253)
Inventories | (23,865) | (2,844) | 1,018
Other assets | 60 | 8 | (70)
Prepaid expenses | 989 | 765 | (3,361)
Accounts payable | 19,425 | (5,806) | 12,931
Accrued liabilities | 2,062 | 575 | 40
Net cash flows from operating activities | 21,897 | 13,953 | 20,926
INVESTING ACTIVITIES: |  |  |
Purchases of property, plant, and equipment | (13,342) | (24,693) | (25,026)
Proceeds from sale of property and equipment | 141 | 1,303 | 3
Net cash flows from investing activities | (13,201) | (23,390) | (25,023)
FINANCING ACTIVITIES: |  |  |
Net borrowings under credit facility | 5,000 | 5,000 | 5,000
Payments of cash dividends | (8,200) | (8,188) | (7,715)
Proceeds from exercise of stock options | 56 | 146 | 3
Net proceeds from other long-term obligations | 179 | 606 |
Net cash flows from financing activities | (2,965) | (2,436) | (2,712)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND TEMPORARY INVESTMENTS | (589) | 2,653 | (525)
NET CHANGE IN CASH AND TEMPORARY INVESTMENTS | 5,142 | (9,220) | (7,334)
CASH AND TEMPORARY INVESTMENTS, beginning of year | 21,895 | 31,115 | 38,449
CASH AND TEMPORARY INVESTMENTS, end of year | 27,037 | 21,895 | 31,115
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |  |
Cash payments for interest | 2,437 | 2,219 | 1,877
Cash payments for income taxes, net of refunds | $ 7,457 | $ 7,815 | $ 11,605

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