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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Cash Flows From Operating Activities: |  |
Net income | $ 6,756,000 | $ 26,888,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Share-based compensation | 315,000 | 375,000
Depreciation and amortization | 817,000 | 729,000
Loss on marketable securities | 0 | 62,000
Equity in income of unconsolidated affiliate | (571,000) | (710,000)
Operating lease expense, net of accretion | 887,000 | (357,000)
Deferred income taxes | 228,000 | 47,000
Changes in assets and liabilities: |  |
Accounts receivable, net | 4,735,000 | (4,564,000)
Accounts receivable, related party | (478,000) | (181,000)
Inventories | (8,220,000) | (5,446,000)
Prepaid expenses | (856,000) | (2,500,000)
Accounts payable and accrued liabilities | (2,998,000) | 3,355,000
Customer advance payments of orders | (209,000) | 209,000
Lease liabilities | (886,000) | 367,000
Net cash provided by (used in) operating activities | (480,000) | 18,274,000
Cash Flows From Investing Activities: |  |
Purchase of property and equipment | (2,524,000) | (1,135,000)
Proceeds from sales of marketable securities | 0 | 273,000
Net cash used in investing activities | (2,524,000) | (862,000)
Cash Flows From Financing Activities: |  |
Proceeds from exercise of stock options | 427,000 | 1,998,000
Repurchase of common stock | (4,408,000) | (2,666,000)
Net cash used in financing activities | (3,981,000) | (668,000)
Increase (decrease) in cash and cash equivalents | (6,985,000) | 16,744,000
Cash and cash equivalents, beginning of the year | 23,292,000 | 6,548,000
Cash and cash equivalents, end of the year | 16,307,000 | 23,292,000
Supplemental disclosure of cash flow information: |  |
Cash paid for income taxes | $ 1,824,000 | $ 4,136,000

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