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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Oct. 01, 2021 | Oct. 02, 2020
Cash flows from operating activities: |  |
Net income | $ 19,579 | $ 2,586
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation of property, plant, and equipment | 2,671 | 2,276
Amortization of intangibles | 26 | 26
Deferred income taxes | 845 | (1,215)
Change in net pension liability | 91 | 522
Loss on disposal of property and equipment | 2 | 3
Stock-based compensation expense | 10,985 | 8,965
Provision for sales returns and bad debts | 1,069 | 815
Inventory provision | 1,097 | 1,195
Changes in working capital: |  |
Accounts receivable | (7,072) | (10,975)
Inventories | 1,301 | (1,353)
Prepayments, deposits, and other current assets | 1,288 | (636)
Accounts payable | (40) | (657)
Other current liabilities | 3,622 | (151)
Net cash provided by operating activities | 35,464 | 1,401
Cash flows from investing activities: |  |
Acquisition of property and equipment | (8,956) | (6,259)
Net cash used in investing activities | (8,956) | (6,259)
Cash flows from financing activities: |  |
Repayment of finance lease obligations | (314) | (455)
Repayment on line of credit |  | (511)
Proceeds from the exercise of stock options | 18,322 | 13,986
Proceeds from vested restricted stock | 1 | 1
Net cash provided by financing activities | 18,009 | 13,021
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (724) | 207
Increase in cash, cash equivalents and restricted cash | 43,793 | 8,370
Cash and cash equivalents, at beginning of the period | 152,453 | 119,968
Cash and cash equivalents, at end of the period | $ 196,246 | $ 128,338

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