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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Oct. 02, 2020 | Sep. 27, 2019
Cash flows from operating activities: |  |
Net income | $ 2,586 | $ 7,669
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation of property, plant, and equipment | 2,276 | 2,853
Amortization of intangibles | 26 | 26
Deferred income taxes | (1,215) | 526
Change in net pension liability | 522 | 264
Loss on disposal of property and equipment | 3 | 14
Stock-based compensation expense | 8,965 | 7,778
Provision for sales returns and bad debts | 815 | 309
Inventory provision | 1,195 | 1,222
Changes in working capital: |  |
Accounts receivable | (10,975) | (4,260)
Inventories | (1,353) | (179)
Prepayments, deposits, and other current assets | (636) | (230)
Accounts payable | (657) | 546
Other current liabilities | (151) | (536)
Net cash provided by operating activities | 1,401 | 16,002
Cash flows from investing activities: |  |
Acquisition of property and equipment | (6,259) | (7,169)
Acquisition of patents and licenses |  | (30)
Net cash used in investing activities | (6,259) | (7,199)
Cash flows from financing activities: |  |
Repayment of finance lease obligations | (455) | (998)
Repayment on line of credit | (511) | (1,512)
Proceeds from the exercise of stock options | 13,986 | 1,829
Proceeds from vested restricted stock | 1 | 2
Net cash provided by (used in) financing activities | 13,021 | (679)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 207 | 204
Increase in cash, cash equivalents and restricted cash | 8,370 | 8,328
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 | $ 128,338 | $ 112,327

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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + 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 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 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 expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + 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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