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Note 6 - Property, Plant and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

  

December 31,

 
  

2023

  

2022

 

Land

 $231,034  $231,034 

Buildings and improvements

  3,760,203   3,222,243 

Machinery & equipment

  24,851,703   23,301,660 

Total property, plant & equipment

  28,842,940   26,754,937 

Less: accumulated depreciation

  14,156,750   11,541,494 

Property plant & equipment, net

 $14,686,190  $15,213,443