Annual report pursuant to Section 13 and 15(d)

Fair value assumptions (Details)

v3.3.1.900
Fair value assumptions (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Warrants weighted Average Assumptions    
Expected volatility Minimum, 128.36% 113.93%
Expected volatility Maximum, 155.43% 138.05%
Expected dividends, 0.00% 0.00%
Expected term mimimum(years), 3 3
Expexted term maximum(Years), 5 5
Risk free rate mimimum, 0.51% 0.41%
Risk free rate maximum, 1.75% 0.59%