Quarterly report [Sections 13 or 15(d)]

Note 12 - Share-based Compensation (Details Textual)

v3.25.3
Note 12 - Share-based Compensation (Details Textual) - shares
May 18, 2022
Dec. 03, 2021
Sep. 30, 2025
Jul. 31, 2025
May 22, 2024
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     9,077,049    
Deferred Share Units [Member]          
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     174,515    
Restricted Stock Units (RSUs) [Member]          
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     3,803    
The 2019 Omnibus Incentive Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)         7,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)     5,707,444    
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     976,252    
The 2019 Omnibus Incentive Plan [Member] | Employee and Non-employee Stock Options [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years        
The 2019 Omnibus Incentive Plan [Member] | Employee and Non-employee Stock Options [Member] | Minimum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year        
The 2019 Omnibus Incentive Plan [Member] | Employee and Non-employee Stock Options [Member] | Maximum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years        
The 2019 Omnibus Incentive Plan [Member] | Nonemployee Stock Options [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 5 years        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year        
The 2019 Omnibus Incentive Plan [Member] | Deferred Share Units [Member]          
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     164,770    
The 2019 Omnibus Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]          
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     3,803    
The 2021 Employment Inducement Incentive Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)   10 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)     1,240,000    
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     600,625 2,000,000  
Stock Option Prior Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)     374,410    
The 2012 DSU Plan [Member]          
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     9,745