Annual report pursuant to Section 13 and 15(d)

Warrants (Details)

v3.6.0.2
Warrants (Details) - Warrant [Member]
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Class of Warrant or Right [Line Items]    
Expected dividend yield 0.00% 0.00%
Minimum [Member]    
Class of Warrant or Right [Line Items]    
Expected volatility 105.00% 116.00%
Risk-free interest rate 0.73% 0.87%
Expected life of warrants 1 year 4 months 24 days 2 years 4 months 24 days
Maximum [Member]    
Class of Warrant or Right [Line Items]    
Expected volatility 108.00% 121.00%
Risk-free interest rate 0.99% 1.70%
Expected life of warrants 3 years 5 years