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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 | $ 5,725 | $ 10,236 | $ 14,637
Adjustments required to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 2,384 | 1,997 | 3,293
Impairment of intangible assets | 1,657 |  |
Write-down of obsolete inventory | 1,578 | 2,106 | 6,211
Discount on marketable securities, net | 244 | 144 | 32
Share-based compensation expense | 2,711 | 2,355 | 2,424
Deferred taxes, net | (61) | (699) | 5
Changes in assets and liabilities: |  |  |
Accounts receivable - trade | 3,467 | (1,441) | 16,985
Accounts receivable - other | (1,362) | 4,385 | (3,384)
Accounts receivable - related parties |  | 364 | 261
Change in liability for employees' severance benefits, net | 153 | 175 | (79)
Inventories | (13,336) | 3,529 | 2,540
Trade accounts payable | (2,076) | 769 | 3,059
Other accounts payable and accrued expenses | 3,872 | 2,824 | (314)
Accounts payable - related parties |  | (18) | 8
Net cash provided by operating activities | 4,956 | 26,726 | 45,678
Cash flows from investing activities |  |  |
Investment in short-term bank deposits, net | 8,542 | (13,542) |
Purchase of property, plant and equipment | (1,694) | (1,441) | (1,345)
Investment in intangible assets | (1,487) | (1,018) | (1,022)
Proceeds from maturity of marketable securities | 16,629 | 1,997 | 7,750
Purchases of marketable securities | (6,558) | (15,604) | (41,670)
Net cash provided by (used in) investing activities | 15,432 | (29,608) | (36,287)
Cash flows from financing activities |  |  |
Exercise of options | 276 | 154 | 288
Purchase of treasury shares | (16,798) | (7,971) |
Net cash provided by (used in) financing activities | (16,522) | (7,817) | 288
Effect of exchange rate changes on cash balances held | 341 | 360 | 108
Increase (decrease) in cash and cash equivalents | 4,207 | (10,339) | 9,787
Cash and cash equivalents at beginning of year | 16,469 | 26,808 | 17,021
Cash and cash equivalents at end of year | 20,676 | 16,469 | 26,808
Supplementary cash flow information Non-cash transactions: |  |  |
Investments in property, plant and equipment | 347 | 97 | 146
Supplementary cash flow information Cash paid during the year for: |  |  |
Income taxes | $ 1,284 | $ 1,103 | $ 3,260

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