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Deferred Costs (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Schedule of Inventory [Line Items]    
Deferred costs $ 3,582,298 $ 2,911,743
Multiple Stage Contracts [Member]    
Schedule of Inventory [Line Items]    
Deferred Revenue $ 4,000,000 $ 4,900,000