XML 50 R39.htm IDEA: XBRL DOCUMENT v3.25.2
Note 2 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
Jan. 31, 2025
Sep. 15, 2022
The 2025 Note [Member]    
Debt Instrument, Face Amount $ 3,240  
The 2025 Note [Member] | Convertible Debt [Member]    
Debt Instrument, Face Amount $ 3,240  
The 2022 Note [Member] | Convertible Debt [Member]    
Debt Instrument, Face Amount   $ 10,500