Derivative liability and fair value measurements (Tables)

6 Months Ended

Jun. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Liabilities at Fair Value [Table Text Block]

The following table provides a summary of the fair value of our derivative liabilities as of June 30, 2013 and December 31, 2012:

	Fair value measurements on a recurring basis
	Level 1		Level 2		Level 3
As of June 30, 2013:
Liabilities
Stock derivative – 1,309,983 shares	$	37,990	$	-	$	-
As of December 31, 2012:
Liabilities
Stock derivative – 1,309,983 shares	$	31,440	$	-	$	-