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Note 3 - Property and Equipment, Net (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

June 30,

  

December 31,

 
  

2023

  

2022

 

Furniture and fixtures

 $56,646  $56,646 

Leasehold improvements

  136,847   122,711 

Machinery & equipment

  173,049   165,753 

Vehicles

  297,940   252,724 

Test/Demo vehicles

  30,684   15,784 

Total property and equipment

  695,166   613,618 

Less accumulated depreciation

  (304,703)  (245,157)

Net property and equipment

 $390,463  $368,461