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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 28, 2019 | Jun. 29, 2018
Cash flows from operating activities: |  |
Net income | $ 5,281 | $ 2,413
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation of property, plant, and equipment | 1,983 | 1,168
Amortization of intangibles | 17 | 17
Deferred income taxes | 393 | 358
Change in net pension liability | 203 | 159
Loss on disposal of property and equipment |  | 6
Stock-based compensation expense | 5,220 | 2,899
Provision for sales returns and bad debts | (32) | 644
Inventory provision | 787 | 753
Changes in working capital: |  |
Accounts receivable | (6,533) | (6,390)
Inventories | 106 | (1,536)
Prepayments, deposits, and other current assets | (1,154) | (889)
Accounts payable | 563 | 956
Other current liabilities | (2,626) | 1,748
Net cash provided by operating activities | 4,208 | 2,306
Cash flows from investing activities: |  |
Acquisition of property and equipment | (4,601) | (1,269)
Acquisition of patents and licenses | (30) |
Net cash used in investing activities | (4,631) | (1,269)
Cash flows from financing activities: |  |
Repayment of finance lease obligations | (681) | (881)
Repayment on line of credit | (999) |
Proceeds from the exercise of stock options | 1,110 | 2,405
Proceeds from vested restricted stock | 2 | 2
Net cash provided by (used in) financing activities | (568) | 1,526
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 243 | 163
Increase (decrease) in cash, cash equivalents and restricted cash | (748) | 2,726
Cash, cash equivalents and restricted cash, at beginning of year | 103,999 | 18,641
Cash, cash equivalents and restricted cash, at end of year | $ 103,251 | $ 21,367

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + 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=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration