Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

The liability components of the company’s convertible debt consist of the following (in thousands):

	September 30, 2013			December 31, 2012
Principal amount of liability component	$	13,350		$	13,350
Unamortized discount	(2,874		)	(3,341		)
Net carrying amount of liability component	$	10,476		$	10,009

Schedule of Long-term Debt Instruments [Table Text Block]

Debt consists of the following (in thousands):

	September 30, 2013			December 31, 2012
Senior secured revolving credit facility, due in October 2015	$	38,968		$	217,494
Convertible senior subordinated debentures at 4.125%, due in February 2027	10,476			10,009
Other notes and lease obligations	6,625			7,299
	56,069			234,802
Less current maturities of long-term debt	(1,294		)	(5,427		)
	$	54,775		$	229,375