Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

Stock-Based Compensation

The Company did not capitalize any stock compensation expense during the three months ended March 31, 2017 or 2016.  Effective January 1, 2017, the Company has elected to account for forfeitures as they occur. Prior to the adoption of ASU No. 2016-09, the Company estimated the number of stock-based awards that were expected to vest, and only recognized compensation expense for such awards.

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

	Three Months Ended
	March 31
	2017		2016
Cost of revenues	$	78	$	131
Research and development		146		167
Sales and marketing		123		145
General and administrative		382		416
Total	$	729	$	859

Summary of Stock Option Activity

A summary of the Company’s stock option activity for the three months ended March 31, 2017 is as follows:

				Weighted
				Average
	Options			Exercise
	Outstanding			Price
Outstanding at December 31, 2016		825,561		$	7.30
Expired or Cancelled		(44,520	)		8.84
Forfeited		(16,773	)		5.84
Outstanding at March 31, 2017		764,268		$	7.24
Exercisable at March 31, 2017		719,195		$	7.27

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
$	5.00	--	$	6.00		23,107		5.73	$	5.23		3,315	$	5.92
	6.01	--		7.00		48,726		1.27		6.72		48,726		6.72
	7.01	--		8.00		619,485		2.96		7.19		613,623		7.19
	8.01	--		9.00		48,650		4.19		8.22		29,483		8.29
	9.01	--		10.00		22,900		1.12		9.51		22,648		9.50
	10.01	--		11.00		1,400		1.34		10.46		1,400		10.46
$	5.00	--	$	11.00		764,268		2.96	$	7.24		719,195	$	7.27

Weighted Average Contractual Life and Intrinsic Value of the Options Outstanding

The weighted average contractual life and intrinsic value at March 31, 2017, was the following:

	Weighted Average Contractual Life (years)		Intrinsic Value
Options Outstanding		2.96	$	64
Options Exercisable		2.80	$	24

Summary of Performance Share Equity Activity

The following table summarizes the performance-based equity activity during the three months ended March 31, 2017:

				Weighted
				Average
				Grant Date
	Units			Fair Value
Unvested Performance Units - December 31, 2016		296,500		$	7.95
Units cancelled		(22,000	)		7.85
Unvested Performance Units - March 31, 2017		274,500		$	7.95

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:

	March 31,
	2017			2016
Dividend yield		3.6	%		4.2	%
Risk-free interest rate		0.8	%		0.6	%
Expected volatility		33	%		34	%
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 three months ended March 31, 2017:

				Weighted
				Average
				Grant Date
	Shares			Fair Value
Unvested Restricted Stock Awards - December 31, 2016		1,120,960		$	5.83
Shares awarded		286,014			5.97
Shares vested		(179,861	)		6.41
Shares cancelled		(17,200	)		6.34
Unvested Restricted Stock Awards - March 31, 2017		1,209,913		$	5.77

Restricted Stock Units [Member]

Summary of Service-based Restricted Stock Activity

The following table summarizes the restricted stock unit activity during the three months ended March 31, 2017:

				Weighted
				Average
				Grant Date
	Units			Fair Value
Unvested Restricted Stock Units - December 31, 2016		36,388		$	5.57
Units awarded		5,000			5.97
Units vested		(4,088	)		5.80
Unvested Restricted Stock Units - March 31, 2017		37,300		$	5.60