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Equity - Summary of Stock Option Activity (Details) - 6 months ended Jun. 30, 2015 - USD ($)
None in scaling factor is -9223372036854775296
Total
Equity [Abstract]  
Number of Options, Outstanding at beginning balance 1,812,428
Number of Options, Granted 662,654
Number of Options, Exercised  
Number of Options, Forfeited or expired (95,164)
Number of Options, Outstanding at end balance 2,379,918
Number of Options, Exercisable at end of period 1,322,330
Weighted Average Exercise Price, Outstanding at beginning $ 4.51
Weighted Average Exercise Price, Granted $ 0.77
Weighted Average Exercise Price, Exercised  
Weighted Average Exercise Price, Forfeited or expired $ 3.19
Weighted Average Exercise Price, Outstanding at end 3.52
Weighted Average Exercise Price, Exercisable at end of Period $ 5.01
Weighted Average Remaining Contractual Terms, Outstanding 5 years 7 months 6 days
Weighted Average Remaining Contractual Terms, Exercisable 3 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding  
Aggregate Intrinsic Value, Exercisable