Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Net Loss Per Share [Abstract]

Basic and diluted for net loss per share

(In thousands, except per share amounts)	Years ended December 31,
	2014			2013			2012
BASIC AND DILUTED
Weighted average number of common shares outstanding		39,532			35,266			33,003
Net loss	$	(14,234	)	$	(13,080	)	$	(9,287	)
Net loss per shares basic and diluted	$	(0.36	)	$	(0.37	)	$	(0.28	)