Stock Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Stock Compensation [Abstract]

Schedule Of Option Activity

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (In Years)		Aggregate Intrinsic Value
Outstanding at December 31, 2015		4,218,139	$	3.75
Options granted		1,435,097		2.45
Options exercised		(21,912)		2.10
Options forfeited		(52,781)		2.02
Options cancelled or expired		(522,802)		7.44
Outstanding at December 31, 2016		5,055,741	$	3.00		4.46	$	875,225
Vested or expected to vest at December 31, 2016 (1)		5,035,622	$	3.00		4.46	$	875,030
Exercisable at December 31, 2016		4,049,888	$	3.08		4.01	$	865,475

(1) The expected to vest options are the result of applying the pre-vesting forfeiture rate assumptions to total unvested options. 

Schedule Of Allocation Of Non-Cash Stock-Based Compensation

	For the Year Ended
	December 31,
	2016		2015
Cost of revenues	$	25	$	51
Research and development		164		118
Selling, general and administrative		582		437
Total stock compensation expense	$	771	$	606

Schedule Of Key Assumptions Of Fair Value Of Stock Options Granted

		For the Year Ended
		December 31,
	2016			2015
Dividend yield		0	%		0	%
Risk free interest rates		0.71-1.41	%		0.84 – 1.56	%
Expected  volatility		49.1 to 59.4	%		51.2 to 63.9	%
Expected term (in years)		3.5 to 5.0			3.5 to 5.0