v3.26.1
Note 1 - Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Prior Period Adjustments (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Net Loss (in thousands) $ (2,728) $ (3,337)
Loss per share - basic and diluted (in dollars per share) $ (5.02) $ (22.69)
Weighted average shares outstanding - basic and diluted (2025 is "as revised") (in shares) 543,685 147,058
Previously Reported [Member]    
Net Loss (in thousands)   $ (3,337)
Loss per share - basic and diluted (in dollars per share)   $ (1.07)
Weighted average shares outstanding - basic and diluted (2025 is "as revised") (in shares)   3,105,156