v3.25.2
Note 1 - Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Prior Period Corrections (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Net Loss (in thousands) $ (11,410) $ (15,426) $ (11,410) $ (15,426)
Loss per share - basic and diluted (in dollars per share)     $ (6.46) $ (14.82)
Weighted average shares outstanding - basic and diluted (in shares)     1,766,425 1,040,720
Antidilutive securities (in shares)     1,981,098 162,767
Warrant [Member]        
Antidilutive securities (in shares)     87,531 4,334
Convertible Debt Securities [Member]        
Antidilutive securities (in shares) [1]     0 33,250
Convertible Notes to Warrant [Member]        
Antidilutive securities (in shares)     25,003 25,003
Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares)     243,483 100,180
Previously Reported [Member]        
Net Loss (in thousands)       $ (15,426)
Loss per share - basic and diluted (in dollars per share)       $ (1.05)
Weighted average shares outstanding - basic and diluted (in shares)       14,626,282
Antidilutive securities (in shares)       8,913,169
Previously Reported [Member] | Warrant [Member]        
Antidilutive securities (in shares)       5,744,569
Previously Reported [Member] | Convertible Debt Securities [Member]        
Antidilutive securities (in shares)       665,000
Previously Reported [Member] | Convertible Notes to Warrant [Member]        
Antidilutive securities (in shares)       500,000
Previously Reported [Member] | Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares)       2,003,600
Reverse Stock Split Adjustment [Member]        
Net Loss (in thousands)       $ 0
Loss per share - basic and diluted (in dollars per share)       $ (21.09)
Weighted average shares outstanding - basic and diluted (in shares)       731,372
Antidilutive securities (in shares)       445,664
Reverse Stock Split Adjustment [Member] | Warrant [Member]        
Antidilutive securities (in shares)       287,231
Reverse Stock Split Adjustment [Member] | Convertible Debt Securities [Member]        
Antidilutive securities (in shares)       33,250
Reverse Stock Split Adjustment [Member] | Convertible Notes to Warrant [Member]        
Antidilutive securities (in shares)       25,003
Reverse Stock Split Adjustment [Member] | Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares)       100,180
Revision of Prior Period, Error Correction, Adjustment [Member]        
Net Loss (in thousands)       $ 0
Loss per share - basic and diluted (in dollars per share)       $ 6.27
Weighted average shares outstanding - basic and diluted (in shares)       309,348
Antidilutive securities (in shares)       (282,897)
Revision of Prior Period, Error Correction, Adjustment [Member] | Warrant [Member]        
Antidilutive securities (in shares)       (282,897)
Revision of Prior Period, Error Correction, Adjustment [Member] | Convertible Debt Securities [Member]        
Antidilutive securities (in shares)       0
Revision of Prior Period, Error Correction, Adjustment [Member] | Convertible Notes to Warrant [Member]        
Antidilutive securities (in shares)       0
Revision of Prior Period, Error Correction, Adjustment [Member] | Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares)       0
[1] Shares for the convertible note proceeds received