General form of registration statement for all companies including face-amount certificate companies

Weighted-average assumptions used to determine the fair value of options granted (Details)

v2.4.0.8
Weighted-average assumptions used to determine the fair value of options granted (Details)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Weighted-average assumptions used to determine the fair value of options granted    
Expected volatility 114.00% 128.00%
Expected volatility Maximum   138.00%
Weighted-average volatility 114.00% 137.00%
Expected dividends 0.00% 0.00%
Expected term (in years) 6.5 6.5
Risk-free interest rate 1.58% 0.76%
Risk-free interest rate Maximum   1.49%