Quarterly report pursuant to Section 13 or 15(d)

Stock Options - Summary of Assumptions Used Principally in Determining Fair Value of Options Granted (Details)

v3.7.0.1
Stock Options - Summary of Assumptions Used Principally in Determining Fair Value of Options Granted (Details) - Employee Stock Option [Member]
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate 2.17% 1.81%
Expected dividend yield 0.00% 0.00%
Expected term in years 6 years 4 months 6 days 6 years 3 months 11 days
Expected volatility 85.80% 88.30%
Estimated forfeiture rate 5.00% 5.00%