v3.26.1
Note 3 - Discontinued Operations - Significant Items from Discontinued Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Prepaid expenses and other current assets   $ 14
Total current assets of discontinued operations 0   15
Total current liabilities of discontinued operations 4   6
Net income (loss) from discontinued operations 23 $ (129)  
Income (loss) from discontinued operations 23 (129)  
Net cash provided by (used in) operating activities - discontinued operations 36 (60)  
ClearUP [Member] | Discontinued Operations [Member]      
Accounts receivable 0   1
Total current assets of discontinued operations 0   15
Other accrued expenses 4   6
Total current liabilities of discontinued operations 4   $ 6
Revenue 24 70  
Cost of Sales 3 20  
Gross Profit 21 50  
Selling, general and administrative (2) 179  
Total operating expenses (2) 179  
Net income (loss) from discontinued operations 23 (129)  
Income (loss) from discontinued operations 23 (129)  
Current assets of discontinued operations 15 69  
Current liabilities of discontinued operations (2) 0  
Net cash provided by (used in) operating activities - discontinued operations $ 36 $ (60)