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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 (loss) | $ (17,092) | $ (2,344) | $ 23,046
Adjustments required to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 12,861 | 9,691 | 7,758
Share-based compensation expense | 1,662 | 2,053 | 1,980
Decrease (increase) in accrued severance pay and pensions, net | 488 | 271 | (11)
Decrease (increase) in trade receivables, net | 9,345 | 4,533 | (11,098)
Decrease (increase) in other accounts receivable and prepaid expenses (including other long-term assets) | (6,661) | (2,086) | 4,624
Decrease in operating lease right-of-use assets | 5,121 | 5,348 |
Decrease (increase) in inventories | 9,919 | (9,475) | (956)
Increase (decrease) in trade payables | 1,953 | (15,933) | 2,340
Increase (decrease) in deferred revenues | 2,988 | 4,150 | (650)
Increase in deferred tax assets, net | (173) | (258) | (6,601)
Decrease in operating lease liability | (5,112) | (5,114) |
Increase (decrease) in other accounts payable and accrued expenses (including other long-term liabilities) | 1,946 | (3,767) | 2,062
Net cash provided by (used in) operating activities | 17,245 | (12,931) | 22,494
Cash flows from investing activities: |  |  |
Purchase of property and equipment, net | (6,077) | (11,592) | (10,303)
Purchase of intangible assets, net | (412) | (3,274) | (3,412)
Proceeds from bank deposits |  | 1,002 | 48
Investment in shares |  |  | (1,628)
Net cash used in investing activities | (6,489) | (13,864) | (15,295)
Cash flows from financing activities: |  |  |
Proceeds from (repayment of) bank credits and loans, net | (8,621) | 14,600 |
Proceeds from exercise of stock options | 1,237 | 602 | 2,611
Net cash provided by (used in) financing activities | (7,384) | 15,202 | 2,611
Translation adjustments on cash and cash equivalents | (210) | (49) | (106)
Increase (decrease) in cash and cash equivalents | 3,162 | (11,642) | 9,704
Cash and cash equivalents at the beginning of the year | 23,939 | 35,581 | 25,877
Cash and cash equivalents at the end of the year | 27,101 | 23,939 | 35,581
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes | 3,003 | 3,833 | 1,617
Cash paid for interest on bank loans | $ 1,137 | $ 1,796 | $ 1,752

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120381028&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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