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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 03, 2020 | Mar. 29, 2019
Cash flows from operating activities: |  |
Net income (loss) | $ (134) | $ 1,367
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation of property, plant, and equipment | 766 | 1,222
Amortization of intangibles | 9 | 8
Deferred income taxes | (1,369) | 79
Change in net pension liability | 173 | 119
Loss on disposal of property and equipment | 3 |
Stock-based compensation expense | 2,921 | 2,641
Provision for sales returns and bad debts | 80 | (34)
Inventory provision | 336 | 455
Changes in working capital: |  |
Accounts receivable | (3,462) | (554)
Inventories | (491) | (7)
Prepayments, deposits, and other current assets | (2,446) | (2,317)
Accounts payable | 907 | (185)
Other current liabilities | (5,464) | (2,063)
Net cash provided by (used in) operating activities | (8,171) | 731
Cash flows from investing activities: |  |
Acquisition of property and equipment | (2,185) | (2,203)
Acquisition of patents and licenses |  | (30)
Net cash used in investing activities | (2,185) | (2,233)
Cash flows from financing activities: |  |
Repayment of finance lease obligations | (236) | (365)
Repayment on line of credit | (505) | (499)
Proceeds from the exercise of stock options | 2,004 | 622
Proceeds from vested restricted stock | 1 | 2
Net cash provided by (used in) financing activities | 1,264 | (240)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (25) | (24)
Decrease in cash, cash equivalents and restricted cash | (9,117) | (1,766)
Cash, cash equivalents and restricted cash, at beginning of the period | 119,968 | 103,999
Cash, cash equivalents and restricted cash, at end of the period | $ 110,851 | $ 102,233

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