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Note 3 - Restructuring Costs - Restructuring Costs (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Restructuring costs $ 1,788,827 $ 0 $ 1,788,827 $ 0
CEO Separation [Member]        
Restructuring costs     235,139  
Employee Severance [Member]        
Restructuring costs     164,673  
Facility Closing [Member]        
Restructuring costs     286,807  
Capex Commitments [Member]        
Restructuring costs     668,606  
Write-down [Member]        
Restructuring costs     $ 433,603