Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table presents the activity for those items measured at fair value on a recurring basis using Level 3 inputs for the nine months ended September 30, 2014:

	Derivative Instruments – Stock Purchase Warrants
Balance at December 31, 2013	$	1,417,527
Change in fair value		334,133
Exercise of underlying warrants		(1,751,660)
Balance at September 30, 2014	$	-