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Inventories, Net - Components of Inventories (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Inventories, Net    
Purchased Parts and Components $ 4,878,888 $ 3,284,848
Work in Process 1,787,302 1,523,616
Finished Goods 2,690,145 2,837,183
Less: Reserve for Obsolescence (547,597) (363,845)
Inventories, Net $ 8,808,738 $ 7,281,802