v3.26.1
Note 1 - General, Basis of Presentation, and Summary of Significant Accounting Policies 1 (Details Textual)
3 Months Ended 6 Months Ended 12 Months Ended
Jan. 02, 2025
shares
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Working Capital (Deficit)   $ (6,598,000)   $ (6,598,000)    
Net Income (Loss) Attributable to Parent   (551,000) $ (8,658,000) (9,912,000) $ (19,532,000)  
Revenue, Remaining Performance Obligation, Amount   23,709,000   23,709,000    
Unbilled Receivables, Current   1,523,000   1,523,000   $ 1,993,000
Contract with Customer, Liability, Revenue Recognized       3,210,000    
Restricted Cash and Cash Equivalent   275,000 $ 340,000 275,000 $ 340,000 297,000
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation   10,041,000   $ 10,041,000   16,863,000
Number of Reportable Segments       1    
Number of Operating Segments       1    
Related Party [Member]            
Accounts Payable and Accrued Liabilities   $ 100,000   $ 100,000   $ 75,000
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer A [Member]            
Concentration Risk, Percentage   11.00%   13.00%    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer A [Member]            
Concentration Risk, Percentage       11.00%   15.00%
ATD [Member]            
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares (in shares) | shares 664,329