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Inventories
6 Months Ended
Jun. 30, 2016
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 June 30, 2016 and December 31, 2015 were as follows:

 

   June 30,  December 31,
   2016  2015
Raw materials and sub-assemblies   $2,051,088   $2,521,585 
Finished goods    30,173    39,083 
Inventory reserves    (1,202,016)   (1,234,578)
Inventories, net   $879,245  $1,326,090