v3.25.4
Note 1 - Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Mar. 31, 2025
USD ($)
Net Income (Loss) Attributable to Parent $ (3,261) $ (7,450) $ (3,337) $ (2,712) $ (2,807) $ (2,699) $ (14,049) $ (8,219)  
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation             (9,390) (5,749)  
Revenues 0     0     0 0  
Retained Earnings (Accumulated Deficit) (64,427)           (64,427)   $ (50,379)
Working Capital (Deficit) 8,500           8,500    
Cash and Cash Equivalent $ 9,934           $ 9,934   9,136
Property, Plant and Equipment, Useful Life (Year) 3 years           3 years    
Assets, Fair Value Disclosure $ 0           $ 0   0
Liability for Uncertainty in Income Taxes, Current 0           0   0
Advertising Expense 0     $ 0     $ 0 $ 100  
Number of Reportable Segments             1    
Liabilities, Fair Value Disclosure 0           $ 0   $ 0
Fair Value, Recurring [Member]                  
Derivative Asset $ 0           $ 0