Annual report pursuant to Section 13 and 15(d)

Note 16 - Private Offerings of Common Stock - Fair Value (Details)

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Note 16 - Private Offerings of Common Stock - Fair Value (Details) - Private Placement [Member] - USD ($)
1 Months Ended
Dec. 10, 2021
Aug. 26, 2021
Aug. 31, 2022
Mar. 31, 2021
Unregistered shares $ 9,328,000 $ 2,156,000    
Warrants 672,000 644,000    
Total 10,000,000 2,800,000 $ 1,887,000 $ 495,999
Common Stock [Member]        
Unregistered shares 32,895 14,000    
Warrants 0 0    
Total 32,895 14,000    
Additional Paid-in Capital [Member]        
Unregistered shares 9,295,105 2,142,000    
Warrants 672,000 644,000    
Total $ 9,967,105 $ 2,786,000