Annual report pursuant to Section 13 and 15(d)

Note 11 - Share Capital (Details Textual)

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Note 11 - Share Capital (Details Textual) - USD ($)
 10 Months Ended 12 Months Ended
Oct. 21, 2022
Dec. 14, 2021
Nov. 04, 2021
Oct. 21, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 09, 2022
May 05, 2020
Stock Issued During Period, Value, Licensing Fee           $ 7,500,000    
The 2020 ATM Offering [Member]                
Stock Issuance Program, Authorized Amount               $ 75,000,000
Stock Issued During Period, Shares, New Issues (in shares)       54,687   15,315    
Shares Issued, Price Per Share (in dollars per share) $ 0.95     $ 0.95   $ 2.446    
Proceeds from Issuance of Common Stock, Gross $ 89,000     $ 52,000   $ 37,000    
Proceeds from Issuance of Common Stock $ 86,000     $ 50,000 $ 50,000 $ 36,000    
Stock Issuance, Percent of Cash Commission to Broker           3.00%    
The 2022 ATM Offering [Member]                
Stock Issuance Program, Authorized Amount             $ 50,000,000  
Stock Issued During Period, Shares, New Issues (in shares)         72,541      
Shares Issued, Price Per Share (in dollars per share)         $ 0.72      
Proceeds from Issuance of Common Stock, Gross         $ 52,000      
Proceeds from Issuance of Common Stock         $ 51,000 $ 0    
Stock Issuance, Percent of Cash Commission to Broker         3.00%      
HM43239 [Member]                
Stock Issued During Period, Shares, Licensing Fees (in shares)   3,235,548 3,235,548          
Stock Issued During Period, Value, Licensing Fee   $ 7,500,000 $ 7,500,000