Stock Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2015

Share-based Compensation [Abstract]

Stock-based compensation expense by type of award

Stock-based compensation expense by type of award, all of which was recognized as a component of "Selling, general, and administrative expenses" in the consolidated statements of operations for the three months ended March 31, 2015 and 2014, was as follows:

	Three Months Ended March 31,
	2015		2014
	(in thousands)
Stock options	$	—	$	22
Restricted stock	539		595
Total stock-based compensation	$	539	$	617

Restricted Stock Activity

Restricted stock activity in the Equity Plans during the three months ended March 31, 2015, was as follows:

	Amount
	(in thousands)
Non-vested stock, January 1, 2015	57
Awarded	161
Vested	(3	)
Non-vested stock, March 31, 2015	215