Fair value measurements (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities measured at fair value on a recurring basis

The following tables set forth a summary of changes in the fair value of Level 3 liabilities measured at fair value on a recurring basis for the year ended December 31, 2015:

	Balance at		Established		Change in		Reclassified		Balance at
Description	December 31, 2014		in 2015		Fair Value		to Equity		December 31, 2015
Derivative warrant liability	$	-	$	72,333	$	647,342	$	(719,675)	$	-