Fair Value of Financial Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31, 2017 and December 31, 2016 ($ in thousands):

	Fair value measured at March 31, 2017
	Total carrying value at March 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2017		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities - corporate bonds and mutual funds	$	5,083	$	480	$	4,603	$	-
Liabilities
Fair value of warrant liabilities	$	824	$	-	$	-	$	824

	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

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 March 31, 2017 is as follows:

Date of valuation	March 31, 2017
Risk-free interest rate		1.93	%
Expected volatility		98.22% - 131.41	%
Expected life (in years)		3.69 - 3.81
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 as of March 31, 2017 and 2016 ($ in thousands):

	Fair Value of Level 3 financial liabilities
	March 31, 2017		March 31, 2016
Beginning balance	$	702	$	2,959
Fair value adjustment of warrant liabilities		122		(1,542	)
Ending balance	$	824	$	1,417