Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Share-based Compensation (Details Textual)

v3.22.2
Note 12 - Share-based Compensation (Details Textual) - shares
 6 Months Ended
May 18, 2022
Jun. 30, 2022
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   837,398  
Common Stock, Capital Shares Reserved for Future Issuance (in shares)   5,724,410  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)   2,623,998 1,896,600
The 2019 Omnibus Incentive Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) 4,000,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   1,833,588  
Common Stock, Capital Shares Reserved for Future Issuance (in shares)   117,069  
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] | Phantom Share Units (PSUs) [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 2021 Employment Inducement Incentive Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)   1,000,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   325,000  
Stock Option Prior Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)   465,410  
The 2012 DSU Plan [Member]      
Common Stock, Capital Shares Reserved for Future Issuance (in shares)   17,333