EMPLOYEE STOCK PLANS (Tables)

12 Months Ended

Dec. 31, 2014

Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]

Summary of Stock Option Activity

The following table summarizes the stock option activity under all of our equity incentive plans for the years ended December 31, 2014 and 2013:

	Number of Shares		Weighted- Average Exercise Price Per Share		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
	(thousands)				(years)	(thousands)
Outstanding at December 31, 2012	7,614		$	3.34
Granted	1,579		1.40
Exercised	(405	)	1.10
Forfeited or expired	(3,795	)	4.29
Outstanding at December 31, 2013	4,993		$	2.18	4.9	$	5,281
Granted	746		2.42
Exercised	(486	)	1.03
Forfeited or expired	(333	)	7.01
Outstanding at December 31, 2014	4,920		$	2.01	4.2	$	7,513
Vested and expected to vest at December 31, 2014	4,586		$	2.01	4.1	$	7,040
Exercisable at December 31, 2014	3,175		$	2.06	3.6	$	4,907

Schedule of Supplemental Information Pertaining to Stock Options

The following table provides supplemental information pertaining to our stock options for the years ended December 31 (in thousands, except weighted-average fair values):

	2014		2013		2012
Weighted-average fair value of options granted	$	1.24	$	0.87	$	0.95
Intrinsic value of options exercised	$	685	$	386	$	211
Cash received from options exercised	$	502	$	445	$	238

Summary of Restricted Stock Unit Activity

The following table summarizes RSU activity under all of our equity incentive plans for the years ended December 31, 2014 and 2013:

	Number of Shares		Weighted Average Grant Date Fair Value
	(thousands)
Outstanding at December 31, 2012	32		$	1.28
Granted	416		$	1.46
Released	(8	)	$	1.16
Forfeited or Expired	(11	)	$	1.60
Outstanding at December 31, 2013	429		$	1.45
Granted	697		$	2.42
Released	(232	)	$	1.99
Forfeited or Expired	(17	)	$	2.49
Outstanding at December 31, 2014	877		$	2.06