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Note 3 - Restructuring Costs - Restructuring Costs (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Restructuring costs $ 1,893,166 $ 0
CEO Separation [Member]    
Restructuring costs 228,975  
Employee Severance [Member]    
Restructuring costs 158,199  
Facility Closing [Member]    
Restructuring costs 275,445  
Capex Commitments [Member]    
Restructuring costs 813,994  
Write-down [Member]    
Restructuring costs $ 416,553