XML 34 R23.htm IDEA: XBRL DOCUMENT v3.7.0.1
Redeemable Convertible Preferred Stock (Tables)
3 Months Ended
Mar. 31, 2017
Temporary Equity Disclosure [Abstract]  
Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block]
The table below shows the quantitative information about the significant unobservable inputs used in the fair value measurement of level 3 conversion feature liability at March 31, 2017:
 
Expected life of the redemption in years
 
1.0
 
Risk free interest rate
 
1.03
%
Expected annual volatility
 
168.93
%
Annual rate of dividends
 
0
%
Schedule of Derivative Liabilities at Fair Value [Table Text Block]
The changes in the fair value of the derivative are as follows:
 
Beginning as of January 1, 2017
 
$
137,177
 
Decrease in fair value
 
 
(7,110)
 
 
 
 
 
 
Ending balance as of March 31, 2017
 
$
130,067