Annual report pursuant to Section 13 and 15(d)

Inventories Net (Components of Inventories) (Detail)

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Inventories Net (Components of Inventories) (Detail) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Line Items]    
Purchased Parts and Components $ 1,990,026 $ 3,069,261
Work in Process 454,120 154,880
Finished Goods 831,069 612,451
Less: Reserve for Obsolescence (623,997) (487,494)
Net $ 2,651,218 $ 3,349,098