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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net income (loss) $ 95 $ (653)
Less: Loss from discontinued operations, net of taxes (8) (17)
Net income (loss) from continuing operations 103 (636)
Adjustments to reconcile net income (loss) to net cash provided by continuing operating activities:    
Depreciation and amortization 94 95
Write-off patents 88
Share-based compensation costs 2 23
Amortization of right of use assets 231 154
Changes in operating assets and liabilities:    
Other assets 881 502
Prepaid and other current assets (196) 433
Accounts payable (340) (82)
Accrued expenses and other current liabilities 434 274
Lease liabilities (266) (203)
Other non-current liabilities 1 51
Total adjustments 841 1,335
Net cash provided by continuing operating activities 944 699
Net cash used in operating activities (8) (13)
Net cash used in discontinued operations (8) (13)
Net increase in cash 936 686
Cash and cash equivalents - continuing operations, beginning of period 7,483 5,059
Total cash and cash equivalents, end of period $ 8,419 $ 5,745