Stock Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockAbstract

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

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- and six-month periods ended June 30, 2013 and 2012, was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
	(in thousands)
Stock options	$	26	$	26	$	51	$	42
Restricted stock	1,031		385		1,626		394
Total stock-based compensation	$	1,057	$	411	$	1,677	$	436