Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

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

Total stock-based compensation

Total stock-based compensation is reflected in the condensed consolidated statements of operations as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Cost of revenues	$	99	$	68	$	203	$	137
Research and development		149		156		289		312
Sales and marketing		128		157		257		338
General and administrative		567		608		891		1,023
Total	$	943	$	989	$	1,640	$	1,810

Information about stock options outstanding under all stock plans

	Options Outstanding			Options Exercisable
Range of Exercise Prices	Number Outstanding	Weighted Average Contractual Life (Years)	Weighted- Average Exercise Price	Number Exercisable	Weighted Average Exercise Price
$5.50 — $6.86	122,687	4.84	$6.64	111,598	$6.68
6.87 — 7.84	121,536	2.10	7.46	113,061	7.49
7.85 — 8.62	176,372	2.61	8.26	176,372	7.26
8.63 — 9.09	164,000	3.26	8.95	164,000	8.95
9.11 — 9.12	14,627	3.59	9.12	14,627	9.12
9.16 — 9.16	132,000	4.09	9.16	132,000	9.16
9.19 — 10.25	131,780	3.77	9.67	131,780	9.67
10.46 — 10.75	121,460	1.65	10.68	121,431	10.68
10.80 — 11.38	147,050	1.84	11.23	147,050	11.23
11.55 — 11.84	64,500	1.54	11.78	64,500	11.78
$5.50 — $11.84	1,196,012	2.93	$9.17	1,176,419	$9.22

Intrinsic value and contractual life of the options outstanding

The intrinsic value and contractual life of the options outstanding and exercisable at June 30, 2012 were as follows:

	Weighted Average Contractual Life (years)		Intrinsic Value
Options Outstanding		2.93	$	9
Options Exercisable		2.88	$	6

Summary of stock option activity

The following table summarizes the stock option activity for the six months ended June 30, 2012:

	Options Outstanding			Weighted Average Exercise Price
Outstanding at December 31, 2011		1,411,581		$	9.02
Granted		4,500			7.15
Exercised		(3,719	)		6.72
Expired or Cancelled		(216,350	)		8.17
Outstanding at June 30, 2012		1,196,012		$	9.17
Exercisable at June 30, 2012		1,176,419		$	9.22

Summary of performance share activity

The following table summarizes the performance share activity during the six months ended June 30, 2012:

	Shares			Weighted Average Grant Date Fair Value
Unvested Performance Units - December 31, 2011		132,906		$	6.48
Units awarded		169,650			7.00
Units vested		(4,836	)		6.75
Performance share units converted to restricted stock awards		(139,150	)		6.47
Units cancelled		(11,320	)		7.01
Unvested Performance Units - June 30, 2012		147,250		$	7.04

Calculation of fair value of each employee stock purchase grant using the Black-Scholes option-pricing model

The Company calculated the fair value of each employee stock purchase grant on the date of grant using the Black-Scholes option-pricing model using the following assumptions:

	June 30,
	2012			2011
Dividend yield		1.8	%		None
Risk-free interest rate		0.2	%		0.3	%
Expected volatility		51	%		52	%
Expected life (in years)		0.5			0.5

Restricted Stock [Member]

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

Summary of restricted stock activity

The following table summarizes restricted stock activity for the six months ended June 30, 2012:

	Shares			Weighted Average Grant Date Fair Value
Unvested Restricted Stock Awards - December 31, 2011		1,122,296		$	5.90
Shares awarded		229,950			7.04
Performance share units converted to restricted stock awards		139,150			6.47
Shares vested		(466,255	)		5.87
Shares cancelled		(52,656	)		6.70
Unvested Restricted Stock Awards - June 30, 2012		972,485		$	6.24

Restricted Stock Units [Member]

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

Summary of restricted stock activity

The following table summarizes the restricted stock unit activity during the six months ended June 30, 2012:

	Shares			Weighted Average Grant Date Fair Value
Unvested Restricted Stock Units - December 31, 2011		10,150		$	6.28
Units awarded		5,000			7.04
Units vested		(2,600	)		6.33
Unvested Restricted Stock Units - June 30, 2012		12,550		$	6.58