The Company (Tables)

12 Months Ended

Dec. 31, 2016

The Company [Abstract]

Fair Value Measurements on Recurring Basis

The Company's recurring fair value measurements at December 31, 2016 and 2015 are as follows:

	Fair Value as of December  31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Liabilities:
Warrant liability (Note 12)	$	105	$	-	$	-	$	105

	Fair Value as of December 31, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Liabilities:
Warrant liability (Note 12)	$	7,042	$	-	$	-	$	7,042

Accrued Warranty Costs Activity

The activity in the warranty accrual during the years ended December 31, 2016 and 2015 is summarized as follows:

	December 31,
	2016			2015
Accrual at beginning of year	$	226		$	48
Acquired in asset purchase		-			265
Additions charged to warranty expense		196			98
Expiring warranties/claimed satisfied		(307	)		(185	)
Total		115			226
Less: current portion		(102	)		(168	)
	$	13		$	58

Diluted Earnings Per Common Share Calculated Using Net Loss and Weighted Average Shares Outstanding

Diluted earnings per common share were calculated using the following net loss and weighted average shares outstanding for the year ended December 31, 2016:

	Year Ended December 31, 2016
Net loss	$	(3,335	)
Gain on the change in fair value of the warrant liability		(5,396	)
Diluted loss	$	(8,731	)
Weighted average number of common and common equivalent shares outstanding:
Basic number of common shares outstanding		10,595,068
Dilutive effect of warrants		983,505
Diluted number of common and common stock equivalent shares outstanding		11,578,573

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Potential common stock equivalents outstanding as of December 31, 2016 and 2015 consist of common stock equivalents of common stock purchase warrants, senior secured convertible debentures, convertible preferred stock and common stock options, which are summarized as follows:

		December 31,
	2016		2015
Common stock equivalents of convertible debentures	46,105,715		46,435,127
Common stock purchase warrants	12,033,098		16,729,362
Common stock equivalents of convertible preferred stock	2,339,180		2,535,866
Common stock options	4,503,522		2,684,352
Total	64,981,515		68,384,707