XML 48 R36.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock Options Valuation Assumptions (Details)
 3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Stock Options Valuation Assumptions Details        
Expected term (in years) Minimum 1.5 1.5    
Expected term (in years) Maximum 10 10 10 10
Expected Volatility, Minimum 67.30% 67.30% 67.30% 80.50%
Expected Volatility, Maximum 139.50% 139.50% 78.90% 184.00%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate, Minimum 0.79% 0.79% 1.13% 2.24%
Risk-free interest rate, Maximum 2.32% 2.32% 2.32% 2.32%