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Inventory (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Inventory [Line Items]    
Raw materials $ 822,538 $ 539,704
Finished products 282,783 533,831
Work in process 153,261 173,943
Subtotal 1,258,582 1,247,478
Inventory reserve (59,832) (150,430)
Total $ 1,198,750 $ 1,097,048