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Fair Value Measurements (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Unrealized (Gains) Losses $ (957,070) $ 299,477 $ 508,817
Ending Balance 1,465,272    
Fair Value, Inputs, Level 3 [Member] | Warrant [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Beginning Balance 508,202 807,679 1,740,235
Unrealized (Gains) Losses 957,070 (299,477) (508,817)
Exercised Stock Purchase Warrants 0 0 (423,739)
Ending Balance $ 1,465,272 $ 508,202 $ 807,679