Fair Value of Financial Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities

The following table presents the Company's assets and liabilities that are measured at fair value at December 31, 2016 and 2015 ($ in thousands):

	Fair value measured at December 31, 2016
	Total carrying value at December 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2016		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities - corporate bonds	$	6,025	$	211	$	5,814	$	-
Liabilities
Fair value of warrant liabilities	$	702	$	-	$	-	$	702

	Fair value measured at December 31, 2015
	Total carrying value at December 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2015		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities - mutual funds	$	3,392	$	3,392	$	-	$	-
Liabilities
Fair value of warrant liabilities	$	2,959	$	-	$	-	$	2,959

Schedule of fair value assumptions

A summary of quantitative information with respect to the valuation methodology and significant unobservable inputs used for the Company’s warrant liabilities that are categorized within Level 3 of the fair value hierarchy at the date of issuance and as of December 31, 2016 and 2015 is as follows:

Date of valuation	December 31, 2016	December 31, 2015
Risk-free interest rate	1.93%	0.16% - 1.76%
Expected volatility	100% - 133.79%	100% - 115.35%
Expected life (in years)	3.93 - 4.06	0.3 - 5.1
Expected dividend yield	-	-

Schedule of fair value of the company's level 3 financial liabilities

The following table sets forth a summary of the changes in the fair value of the Company’s Level 3 financial liabilities that are measured at fair value on a recurring basis for the year ended December 31, 2016 and 2015 ($ in thousands):

	Fair Value of Level 3 financial liabilities
	December 31, 2016			December 31, 2015
Beginning balance	$	2,959		$	-
Recognition of warrant liabilities		-			3,228
Fair value adjustment of warrant liabilities		(2,257	)		(269	)
Ending balance	$	702		$	2,959