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Stock Purchase Warrants (Details) - Stock Warrants [Member] - $ / shares
9 Months Ended 12 Months Ended
Oct. 10, 2014
Sep. 30, 2016
Dec. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Closing stock price $ 1.75 $ 1.72 $ 2.29
Expected dividends 0.00% 0.00% 0.00%
Expected volatility 95.00% 90.00% 85.00%
Risk free interest rate 1.39% 0.89% 1.49%
Expected life of warrant 5 years 3 years 14 days 3 years 9 months 14 days