Restricted Stock (Tables) - Restricted Stock [Member]

6 Months Ended

Jun. 30, 2015

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Restricted Stock Granted, Vested, Forfeited and Unvested Outstanding

A summary of restricted stock awards granted, vested, forfeited and unvested outstanding as of, and changes made during, the six months ended June 30, 2015, is presented below (shares in thousands):

	Restricted Shares		Weighted Average Grant Price
Unvested restricted shares outstanding, December 31, 2014	641		$	1.61
Granted	—		—
Vested	(242	)	1.62
Forfeited	(138	)	1.68
Unvested restricted shares outstanding, June 30, 2015	261		$	1.59

Schedule of Share-based Compensation, Restricted stock, Allocation of Recognized Period Costs

Stock-based compensation expense related to restricted stock awards is allocated as follows for the three and six months ended June 30, 2015 and 2014 (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015			2014
Cost of revenue	$	2	$	7	$	(20	)	$	23
Research and development	1		3		(4		)	6
Sales and marketing	2		8		(29		)	10
General and administrative	33		28		32			100
	$	38	$	46	$	(21	)	$	139