Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Stock-Based Compensation

The Company did not capitalize any stock compensation expense during the three and six months ended June 30, 2016 or 2015. Total stock-based compensation is reflected in the condensed consolidated statements of operations as follows:

	Three Months Ended					Six Months Ended
	June 30					June 30
	2016		2015			2016		2015
Cost of revenues	$	132	$	56		$	264	$	129
Research and development		175		30			342		145
Sales and marketing		182		(18	)		327		140
General and administrative		893		173			1,309		328
Total	$	1,382	$	241		$	2,242	$	742

Summary of Stock Option Activity

A summary of the Company’s stock option activity for the three months ended June 30, 2016 is as follows:

				Weighted
				Average
	Options			Exercise
	Outstanding			Price
Outstanding at December 31, 2015		1,220,442		$	7.72
Expired or Cancelled		(140,105	)		8.51
Forfeited		(41,436	)		7.09
Outstanding at June 30, 2016		1,038,901		$	7.64
Exercisable at June 30, 2016		809,258		$	7.72

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
							Weighted
							Average		Weighted-				Weighted
Range of					Number		Contractual Life		Average		Number		Average
Exercise  Prices					Outstanding		(Years)		Exercise Price		Exercisable		Exercise Price
$	5.50	--	$	6.00		16,879		5.23	$	5.90		3,292	$	5.65
	6.01	--		6.50		16,267		2.79		6.23		15,909		6.23
	6.51	--		7.00		37,522		1.90		6.85		36,189		6.86
	7.01	--		7.50		652,173		3.76		7.17		502,594		7.17
	7.51	--		8.00		18,000		4.29		7.80		12,008		7.81
	8.01	--		8.50		87,400		5.45		8.11		31,020		8.15
	8.51	--		9.00		6,750		3.09		8.76		5,066		8.77
	9.01	--		9.50		181,010		0.22		9.20		180,812		9.20
	9.51	--		10.00		15,500		2.22		9.63		14,968		9.63
	10.01	--		11.00		7,400		0.57		10.90		7,400		10.90
$	5.50	--	$	11.00		1,038,901		3.19	$	7.64		809,258	$	7.72

Weighted Average Contractual Life and Intrinsic Value of the Options Outstanding

The weighted average contractual life and intrinsic value at June 30, 2016, was the following:

	Weighted Average Contractual Life (years)		Intrinsic Value
Options Outstanding		3.19	$	0
Options Exercisable		2.83	$	0

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
Dividend yield		2.5	%
Risk-free interest rate		0.5	%
Expected volatility		34	%
Expected life (in years)		5.2

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,
	2016			2015
Dividend yield		4.2	%		2.5	%
Risk-free interest rate		0.6	%		0.3	%
Expected volatility		34	%		33	%
Expected life (in years)		0.5			0.5

Restricted Stock [Member]

Summary of Service-based Restricted Stock Activity

The following table summarizes service-based restricted stock activity for the six months ended June 30, 2016:

				Weighted
				Average
				Grant Date
	Shares			Fair Value
Unvested Restricted Stock Awards - December 31, 2015		1,050,172		$	6.11
Shares awarded		426,800			5.64
Shares vested		(94,788	)		7.50
Shares cancelled		(103,226	)		6.21
Unvested Restricted Stock Awards - June 30, 2016		1,278,958		$	5.85

Restricted Stock Units [Member]

Summary of Service-based Restricted Stock Activity

The following table summarizes the restricted stock unit activity during the six months ended June 30, 2016:

				Weighted
				Average
				Grant Date
	Units			Fair Value
Unvested Restricted Stock Units - December 31, 2015		22,725		$	5.65
Units awarded		15,000			5.61
Units vested		(1,337	)		7.25
Unvested Restricted Stock Units - June 30, 2016		36,388		$	5.57