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Inventories
3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
Inventories

NOTE 3 — Inventories

 

Inventories consist principally of raw materials and sub-assemblies, which are stated at the lower of cost (first-in, first-out) or market. Inventories at March 31, 2017 and December 31, 2016 were as follows:

 

   March 31,  December 31,
   2017  2016
Raw materials and sub-assemblies  $2,712,996   $2,665,185 
Finished goods   319,751    64,359 
Inventory reserves   (1,190,635)   (1,192,105)
Inventory, net  $1,842,112  $1,537,439