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v3.20.4

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |  |
Net income | $ 49,968 | $ 76,070 | $ 69,715
cash provided by operating activities: |  |  |
Depreciation and amortization including impairment loss | 9,067 | 8,729 | 11,031
Provision for doubtful accounts | 4,824 | 1,380 | 1,442
Noncash stock compensation | 3,029 | 3,394 | 2,205
Share of income of equity investment | (549) |  |
Lease expense | 62 | 1,068 |
Deferred tax expense (benefit) | 581 | (2,330) | (158)
Change in fair value of derivatives | (137) | (169) | (302)
Changes in: |  |  |
Accounts receivable | 13,157 | 1,124 | (21,532)
Inventories | 19,333 | (5,925) | (29,341)
Other assets | 1,176 | (4,945) | (1,016)
Accounts payable and accrued expenses | (32,239) | (4,960) | 25,592
Income taxes, net | (3,279) | 3,016 | 5,405
Net cash provided by operating activities | 64,993 | 76,452 | 63,041
Cash flows from investing activities: |  |  |
Purchases of short-term investments | (7,582) | (97,958) | (10,030)
Proceeds from sale of short-term investments | 11,513 | 44,814 | 8,859
Purchase of equipment and leasehold improvements | (11,011) | (5,427) | (3,956)
Payment for intangible assets acquired | (1,251) | (6,067) | (8,509)
Purchase of equity investment | (13,998) |  |
Net cash used in investing activities | (22,329) | (64,638) | (13,636)
Cash flows from financing activities: |  |  |
Repayment of long-term debt | (13,725) | (22,321) | (23,487)
Proceeds issuance of long-term debt | 13,438 |  |
Proceeds from exercise of options | 2,771 | 4,458 | 3,406
Dividends paid | (20,805) | (34,579) | (26,287)
Dividends paid to noncontrolling interests | (324) | (9,654) | (8,706)
Purchase of subsidiary shares from noncontrolling interests |  | (6,087) | (808)
Net cash used in financing activities | (18,645) | (68,183) | (55,882)
Effect of exchange rate changes on cash | 12,245 | (3,350) | (8,730)
Net increase (decrease) in cash and cash equivalents | 36,264 | (59,719) | (15,207)
Cash and cash equivalents – beginning of year | 133,417 | 193,136 | 208,343
Cash and cash equivalents – end of year | 169,681 | 133,417 | 193,136
Cash paid for: |  |  |
Interest | 1,105 | 1,764 | 1,754
Income taxes | $ 21,772 | $ 26,332 | $ 24,995

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