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Inventories
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories

3. Inventories

 

Inventories consist of the following:

 

   September 30, 2021   December 31, 2020 
Raw materials  $3,265,351   $2,950,912 
Work in process   847,847    433,026 
Finished goods   2,170,998    2,987,039 
Reserve for excess and obsolescence   (2,429,624)   (3,075,520)
Total inventory  $3,854,572   $3,295,457 

 

The reserve for excess and obsolescence primarily includes Niobe Systems and related raw materials and spare parts.