| Property & Equipment | 
 Note 5 - Property & Equipment 
As of September 30, 2021 and December 31, 2020, property and equipment consisted of the following: 
  
      
       
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
        
       
           | 
        As of  | 
           | 
           | 
        As of  | 
           | 
        
       
           | 
        September 30,  | 
           | 
           | 
        December 31,  | 
           | 
        
       
           | 
        2021  | 
           | 
           | 
        2020  | 
           | 
        
       
           | 
           | 
           | 
           | 
           | 
           | 
        
       
        Plant and equipment  | 
        $  | 
        6,145,822  | 
           | 
           | 
        $  | 
        5,507,377  | 
           | 
        
       
        Furniture and fixtures  | 
           | 
        38,751  | 
           | 
           | 
           | 
        35,421  | 
           | 
        
       
        Leasehold improvements  | 
           | 
        2,022,745  | 
           | 
           | 
           | 
        1,922,332  | 
           | 
        
       
        Website  | 
           | 
        111,002  | 
           | 
           | 
           | 
        111,002  | 
           | 
        
       
        Land   | 
           | 
        242,333  | 
           | 
           | 
           | 
        242,333  | 
           | 
        
       
        Building  | 
           | 
        1,399,200  | 
           | 
           | 
           | 
        1,399,200  | 
           | 
        
       
        Total cost  | 
           | 
        9,959,853  | 
           | 
           | 
           | 
        9,217,665  | 
           | 
        
       
        Less accumulated depreciation  | 
           | 
        (3,291,178  | 
        )  | 
           | 
           | 
        (2,372,533  | 
        )  | 
        
       
        Property and equipment, net  | 
        $  | 
        6,668,675  | 
           | 
           | 
        $  | 
        6,845,132  | 
           | 
        
       
  
 
Depreciation expense for the nine months ended September 30, 2021 and 2020 was $1,009,192 and $962,296 respectively.  Depreciation expense for the three months ended September 30, 2021 and 2020, was $341,707 and $315,000 respectively.
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