NET INCOME (LOSS) PER SHARE (Tables)

3 Months Ended

Mar. 31, 2013

NET INCOME (LOSS) PER SHARE [Abstract]

Computation of Basic and Diluted Net Income (Loss) per Share

The following table sets forth the computation of basic and diluted net income (loss) per share and potential shares of common stock that are not included in the diluted net income (loss) per share calculation because their effect is anti-dilutive (in thousands, except per share data):

	Three Months Ended March 31,
	2013			2012
Numerator:
Net income (loss)	$	(6,717	)	$	579
Denominator:
Weighted average common shares - basic		19,931			14,547
Dilutive effect of employee equity incentive plans		—			483
Dilutive effect of warrants		—			34
Weighted average common shares - diluted		19,931			15,064
Net income (loss) per share:
Basic	$	(0.34	)	$	0.04
Diluted	$	(0.34	)	$	0.04
Anti-dilutive securities:
Options and restricted stock		1,107			260
Warrants		—			20
Total anti-dilutive securities		1,107			280