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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cash flows from operating activities: |  |  |
Net income | $ 23,046 | $ 15,560 | $ 11,429
Adjustments required to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 7,758 | 9,205 | 10,037
Share-based compensation expense | 1,980 | 1,203 | 1,071
Accrued severance pay and pensions, net | (11) | 3 | 28
Decrease (increase) in trade receivables, net | (11,098) | (6,403) | 11,051
Decrease (increase) in other accounts receivable and prepaid expenses (including other long term assets) | 4,624 | (259) | 4,747
Decrease (increase) in inventories | (956) | (8,592) | 4,706
Increase (decrease) in trade payables | 2,340 | 4,836 | (2,355)
Increase (decrease) in deferred revenues | (650) | 2,575 | (6,228)
Decrease (increase) in deferred tax assets, net | (6,601) | 497 | 478
Increase (decrease) in other accounts payable and accrued expenses (including other long term liabilities) | 2,062 | (1,474) | (9,193)
Net cash provided by operating activities | 22,494 | 17,151 | 25,771
Cash flows from investing activities: |  |  |
Purchase of property and equipment, net | (10,303) | (8,533) | (8,190)
Purchase and capitalization of intangible assets, net | (3,412) | (1,407) |
Investment in bank deposits | 48 | (996) | (153)
Investment in shares | (1,628) |  |
Proceeds from maturities of short-term bank deposits |  |  | 153
Net cash used in investing activities | (15,295) | (10,936) | (8,190)
Cash flows from financing activities: |  |  |
Repayment of bank loan |  | (17,000) | (17,922)
Proceeds from exercise of options | 2,611 | 294 | 75
Net cash (used in) provided by financing activities | 2,611 | (16,706) | (17,847)
Effect of exchange rate changes on cash | (106) | 30 | 286
Increase (decrease) in cash and cash equivalents | 9,704 | (10,461) | 20
Cash and cash equivalents at the beginning of the year | 25,877 | 36,338 | 36,318
Cash and cash equivalents at the end of the year | 35,581 | 25,877 | 36,338
Supplemental disclosure of cash flow information: |  |  |
Cash paid during the year for income taxes | 1,617 | 2,493 | 1,370
Cash paid during the year for interest | $ 1,752 | $ 1,837 | $ 1,739

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