NET LOSS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Summary of Incremental Shares of Common Stock from Potentially Dilutive Securities

The following table summarizes the incremental shares of common stock from potentially dilutive securities, calculated using the treasury stock method (in thousands except per share amounts):

	Three Months Ended						Six Months Ended
	June 30, 2013			July 1, 2012			June 30, 2013			July 1, 2012
Basic and diluted net loss per share of common stock:
Numerator:
Net loss	$	(3,567	)	$	(3,346	)	$	(13,075	)	$	(4,465	)
Denominator:
Weighted-average shares outstanding - basic	58,891			58,507			58,810			58,463
Effect of diluted potential common shares from stock options and restricted stock units	—			—			—			—
Weighted-average shares outstanding - diluted	58,891			58,507			58,810			58,463
Net loss per share of common stock:
Basic and diluted	$	(0.06	)	$	(0.06	)	$	(0.22	)	$	(0.08	)