XML 41 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies - Schedule of Fair Value of Share-Based Payments (Details)
9 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Risk-free interest rate, minimum 1.18% 1.25%
Risk-free interest rate, maximum 1.60% 1.33%
Expected volatility of underlying stock, minimum 139.00% 172.00%
Expected volatility of underlying stock, maximum 298.00% 179.00%
Dividends 0.00% 0.00%
Minimum [Member]    
Expected life of grants 2 years 2 years 6 months
Maximum [Member]    
Expected life of grants 3 years 6 months 3 days 3 years 6 months