Fair Value (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Schedule of Assumptions for Fair Value

Fair value at September 30, 2014, was estimated using the following assumptions:

Underlying price per share	$0.19 - $0.27
Exercise price per share	$1.31 - $1.65
Risk-free interest rate	0.06% - 0.23%
Expected holding period	0.38 - 1.64 yrs.
Expected volatility	69.74% - 113.56%
Expected dividend yield	None

Schedule of fair value, assets and liabilities measured on recurring basis

The table below presents the balances of assets and liabilities measured at fair value on a recurring basis by level within the hierarchy as of September 30, 2014:

	(in thousands)
	Total			Level 1		Level 2		Level 3
Assets:
Marketable Securities	$	16,169		$	16,169	$	—	$	—
Liabilities:
Warrants	$	(13	)	$	—	$	—	$	(13	)

Fair Value, Inputs, Level 3 [Member]

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Fair value, liabilities measured on recurring basis

The changes in Level 3 Liabilities measured at fair value on a recurring basis are summarized as follows:

	Fair Value of Redeemable Warrants
	(in thousands)
	2014			2013
Balance at January 1	$	14		$	295
Fair value adjustment at March 31	—			(89		)
Balance at March 31	14			206
Fair value adjustment at June 30	(1		)	(102		)
Balance at June 30	13			104
Fair value adjustment at September 30	—			(38		)
Balance at September 30	$	13		$	66