Employee Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Share-Based Compensation Expense

The share-based compensation expense and its classification in the statements of comprehensive income (loss) were as follows:

	Year Ended December 31,
	2016		2015		2014
	(In Thousands)
Project and personnel costs	$	202	$	191	$	242
Selling, general and administrative		1,084		1,402		1,270
Total share-based compensation expense	$	1,286	$	1,593	$	1,512

Schedule of Fair Value of Option Award Granted Based Upon Weighted-Average Assumptions

The fair value of each option award granted during 2016, 2015 and 2014, was based upon the following weighted-average assumptions:

	Year Ending December 31,
	2016			2015			2014
Expected volatility		40.8	%		46.6	%		48.0	%
Expected dividend yield		-	%		-	%		-	%
Expected life (in years)		3.57			3.63			3.69
Risk-free interest rate		1.1	%		1.1	%		0.8	%

Summary of Stock Option Activity Under the Equity Plans

A summary of stock option activity under the Equity Plans (excluding restricted share awards) is presented below:

Stock Options:	Shares Under Options			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
								(In Thousands)
Outstanding at January 1, 2015		3,735,233		$	3.85
Granted		304,000			7.05
Exercised		(259,549	)		3.21
Forfeited or expired		(29,901	)		3.80
Outstanding at December 31, 2015		3,749,783		$	4.15		2.93	$	14,456
Granted		45,000			7.61
Exercised		(883,085	)		3.64
Forfeited or expired		(61,368	)		4.64
Outstanding at December 31, 2016		2,850,330		$	4.36		2.63	$	8,961
Vested and expected to vest at December 31, 2016		2,778,665		$	4.29		2.57	$	8,041
Exercisable at December 31, 2016		2,531,819		$	4.02		2.35	$	8,810

Summary of Non-vested Restricted Share Activity Under the Restricted Share Plans

A summary of non-vested restricted share activity under the Restricted Share Plans is presented below:

Restricted Share Awards:	Non-vested Restricted Shares			Weighted Average Grant Date Fair Value
Non-vested at January 1, 2015		153,718		$	5.57
Granted		91,000			7.00
Vested		(76,601	)		(5.54	)
Non-vested at December 31, 2015		168,117		$	6.36
Granted		—			—
Vested		(92,683	)		(5.88	)
Non-vested at December 31, 2016		75,434		$	6.95
Expected to vest at December 31, 2016		75,434		$	6.95

Summary Weighted-average Fair Value of the Shares Issued Under the ESPP Plans

Expected volatility was based on historical volatility.

	Year Ended December 31,
	2016			2015			2014
Expected volatility		30.5	%		32.0	%		47.2	%
Expected dividend yield		-	%		-	%		-	%
Expected life (in years)		0.25			0.25			0.25
Risk-free interest rate		0.3	%		0.0	%		0.0	%