Redeemable Convertible Preferred Stock (Tables)

3 Months Ended

Mar. 31, 2015

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:

	March 31, 2015
	(unaudited)
Expected life of the redemption in years		1.0
Risk free interest rate		0.26	%
Expected annual volatility		73.29	%
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:

Balance as of January 1, 2015	$	70,786
Decrease of fair value		(2,061)
Ending balance as of March 31, 2015 (unaudited)	$	68,725