The Company (Tables)

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Fair value measurements on recurring basis

The Company’s recurring fair value measurements at June 30, 2015 and December 31, 2014 are as follows:

	Fair Value as of June 30,  2015		Quoted Prices  in Active  Markets for Identical Assets  (Level 1)		Significant  other  Observable  Inputs (Level 2)		Significant Unobservable Inputs  (Level 3)
Liabilities:
Derivative financial instruments (Note 10)	$	2,806	$	—	$	—	$	2,806
		Fair Value as  of December  31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant other Observable Inputs (Level 2)		Significant Unobservable Inputs  (Level 3)
Liabilities:
Derivative financial instruments (Note 10)	$	499	$	—	$	—	$	499

Accrued warranty costs activity

The activity in the warranty accrual during the three months ended June 30, 2015 is summarized as follows:

	June 30, 2015
	(unaudited)
Accrual at beginning of year	$	—
Acquired in asset purchase		265
Additions charged to warranty expense		14
Total		279
Less: current portion		(158	)
	$	121

Earnings per share common stock equivalents of common stock purchase warrants, senior secured convertible debentures, convertible preferred stock, common stock options and unvested restricted stock awards

Potential common stock equivalents outstanding as of June 30, 2015 and June 30, 2014 consist of common stock equivalents of common stock purchase warrants, senior secured convertible debentures, convertible preferred stock, common stock options and unvested restricted stock awards, which are summarized as follows:

	June 30,
	2015			2014
Common stock equivalents of convertible debentures		47,661,800	*		—
Common stock purchase warrants		16,078,920	*		2,084,767
Common stock equivalents of convertible preferred stock		4,007,406			1,464,287
Common stock options		1,293,701			340,028
Restricted stock awards		—			2,890
Total		69,041,827			3,891,972