Quarterly report pursuant to Section 13 or 15(d)

Inventories Net (Components of Inventories) (Detail)

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Inventories Net (Components of Inventories) (Detail) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Inventory Disclosure [Line Items]    
Purchased Parts and Components $ 3,217,769 $ 3,069,261
Work in Process 505,110 154,880
Finished Goods 343,477 612,451
Less: Reserve for Obsolescence (595,402) (487,494)
Net $ 3,470,954 $ 3,349,098