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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
OPERATING ACTIVITIES |  |  |
Net income | $ 29,026 | $ 19,444 | $ 28,239
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 1,816 | 1,954 | 2,090
Gain on sale of equipment and property |  | (31) |
(Accretion) of discount/ amortization of premium related to marketable securities |  |  | (5)
Stock-based compensation expense | 2,289 | 3,102 | 2,123
Deferred income tax benefit | (140) | (311) | (620)
Pension settlement loss |  | 647 |
(Increase) decrease in assets: |  |  |
Accounts receivable | 1,444 | 1,901 | (2,735)
Income taxes receivable | (10) | 907 | (455)
Inventories | (30,951) | (757) | 5,217
Prepaid expenses and other current assets | (527) | 109 | (261)
Other non-current assets | (1,889) | (4,428) | (1,355)
Increase (decrease) in liabilities: |  |  |
Accounts payable | 692 | 2,193 | (787)
Other accrued expenses | (4,287) | 2,426 | (386)
Other long-term liabilities | 2,994 | 2,718 | 2,852
Net cash provided by operating activities | 457 | 29,874 | 33,917
INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,248) | (2,099) | (2,334)
Proceed from sale of assets |  | 34 |
Sales and maturities of marketable securities |  |  | 7,978
Purchases of marketable securities |  |  | (299)
Net cash (used for) provided by investing activities | (1,248) | (2,065) | 5,345
FINANCING ACTIVITIES |  |  |
Payment of dividends | (15,629) | (13,550) | (19,756)
Cash paid for common stock purchased and retired | (1,051) | (2,490) | (8,447)
Net cash used for financing activities | (16,680) | (16,040) | (28,203)
Net (decrease) increase in cash and cash equivalents | (17,471) | 11,769 | 11,059
Cash and cash equivalents at beginning of period | 31,573 | 19,804 | 8,745
Cash and cash equivalents at end of period | $ 14,102 | $ 31,573 | $ 19,804

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