XML 19 R7.htm IDEA: XBRL DOCUMENT v3.25.1
Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Operating activities:    
Net income $ 902,000 $ 1,845,000
Adjustments to reconcile net income to net cash (used for) provided by operating activities:    
Depreciation and amortization 173,000 167,000
Provision for inventory reserves 11,000 74,000
Reversal of inventory reserves 0 (2,000)
Stock based compensation 10,000 13,000
Deferred income taxes 501,000 4,000
Changes in values of marketable securities (1,234,000) (800,000)
Changes in assets and liabilities:    
Accounts receivable (329,000) 591,000
Inventories (363,000) 1,231,000
Prepaid expenses and other current assets 161,000 (135,000)
Accounts payable 57,000 (17,000)
Accrued liabilities (147,000) 179,000
Total adjustments (1,160,000) 1,305,000
Net cash (used for) provided by operating activities (258,000) 3,150,000
Investing activities:    
Acquisition of property and equipment (232,000) (215,000)
Purchase of marketable securitites (3,296,000) (7,835,000)
Sales of marketable securities 2,981,000 7,039,000
Net cash used for investing activities (547,000) (1,011,000)
Financing activities:    
Dividend payments (1,204,000) (1,202,000)
Proceeds from stock options exercised 0 54,000
Net cash used for financing activities (1,204,000) (1,148,000)
Impact of exchange rates on cash 12,000 (3,000)
Net (decrease)increase in cash and cash equivalents (1,997,000) 988,000
Cash and cash equivalents, beginning of period 6,205,000 5,217,000
Cash and cash equivalents, end of period 4,208,000 6,205,000
Supplemental disclosures of cash flow information:    
Cash paid for income taxes, net $ 203,000 $ 559,000