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Balance Sheet Details - Inventory (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Details    
Raw Materials $ 1,923,932 $ 2,154,572
Work in Process 1,606,389 1,664,899
Finished Goods 1,584,891 1,961,003
Valuation Reserves (577,000) (618,000)
Inventories, net $ 4,538,212 $ 5,162,474