Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

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,
	2015			2014		2015		2014
Cost of revenues	$	56		$	117	$	129	$	203
Research and development		30			187		145		360
Sales and marketing		(18	)		189		140		336
General and administrative		173			603		328		948
Total	$	241		$	1,096	$	742	$	1,847

Summary of Stock Option Activity

A summary of the Company’s stock option activity for the six months ended June 30, 2015 is as follows:

				Weighted
				Average
				Exercise
	Options			Price
Outstanding at December 31, 2014		1,357,928		$	7.81
Granted		149,000			8.02
Exercised		(35,134	)		7.25
Expired or Cancelled		(2,366	)		7.78
Forfeited		(33,767	)		8.08
Outstanding at June 30, 2015		1,435,661		$	7.84
Exercisable at June 30, 2015		900,386		$	8.09

Information about Stock Options Outstanding Under all Stock Plans

The following table summarizes information about stock options outstanding under all stock option 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	—	$	6.00	3,379		4.38	$	5.66		3,067	$	5.62
6.01	—		6.50	16,267		3.80		6.23		11,660		6.23
6.51	—		7.00	39,022		2.96		6.85		35,469		6.86
7.01	—		7.50	822,679		4.80		7.18		429,320		7.17
7.51	—		8.00	28,000		5.33		7.79		10,530		7.83
8.01	—		8.50	136,695		5.55		8.17		27,648		8.45
8.51	—		9.00	39,750		1.44		8.73		34,659		8.74
9.01	—		9.50	288,319		0.84		9.16		287,683		9.16
9.51	—		10.00	20,650		2.90		9.64		19,450		9.64
10.01	—		11.00	40,900		0.97		10.64		40,900		10.64
$5.50	—	$	11.00	1,435,661		3.80	$	7.84		900,386	$	8.09

Weighted Average Contractual Life and Intrinsic Value of the Options Outstanding

The weighted average contractual life and intrinsic value at June 30, 2015, was the following:

	Weighted
	Average
	Contractual		Intrinsic
	Life (years)		Value
Options Outstanding		3.80	$	47
Options Exercisable		2.94	$	35

Fair Value of Date of Grant Using Black-Scholes Option-Pricing Model

The Company calculated the fair value of each option grant on the date of grant using the Black-Scholes option-pricing model using the following assumptions at June 30^th:

	June 30,
	2015			2014
Dividend yield		2.0	%		1.8	%
Risk-free interest rate		0.7	%		0.5	%
Expected volatility		33	%		39	%
Expected life (in years)		5.2			5.2

Summary of Performance Share Activity

The following summarizes the performance unit activity during the six months ended June 30, 2015:

				Weighted
				Average
				Grant Date
	Units			Fair Value
Unvested Performance Units—December 31, 2014		380,000		$	8.47
Units awarded		424,000			7.49
Units vested		(6,202	)		8.47
Units cancelled		(3,798	)		8.47
Unvested Performance Units—June 30, 2015		794,000		$	8.05

Calculation of Fair Value of Each Employee Stock Purchase Grant Using 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,
	2015			2014
Dividend yield		2.5	%		1.8	%
Risk-free interest rate		0.3	%		0.3	%
Expected volatility		33	%		39	%
Expected life (in years)		0.5			0.5

Restricted Stock [Member]

Summary of Restricted Stock Activity

The following table summarizes restricted stock activity for the six months ended June 30, 2015:

	Shares			Weighted Average Grant Date Fair Value
Unvested Restricted Stock Awards - December 31, 2014		343,836		$	7.41
Shares awarded		315,779			7.69
Shares vested		(167,687	)		7.16
Shares cancelled		(2,538	)		8.22
Unvested Restricted Stock Awards - June 30, 2015		489,390		$	7.67

Restricted Stock Units [Member]

Summary of Restricted Stock Activity

The following table summarizes the restricted stock unit activity during the six months ended June 30, 2015:

				Weighted
				Average
				Grant Date
	Units			Fair Value
Unvested Restricted Stock Units - December 31, 2014		4,600		$	7.47
Units awarded		4,350			7.49
Units vested		(2,475	)		7.00
Unvested Restricted Stock Units - June 30, 2015		6,475		$	7.59