Convertible Notes, Long-Term Debt and Credit Facility (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Components of convertible notes and long-term debt

Convertible notes and long-term debt are as follows (in thousands):

	March 31, 2013			December 31, 2012
Convertible notes:
Convertible senior unsecured notes (2008 Notes)	$	—		$	5,188
Less discount on notes	—			(55		)
Convertible senior notes reported as current, net of discount	$	—		$	5,133
Long-term debt:
Term loan	$	24,405		$	25,000
Borrowings under revolving credit facility	756			—
Capital lease obligations	1,944			1,784
Total long-term debt	27,105			26,784
Less current portion of long-term debt	(5,432		)	(4,329		)
Long-term debt, less current portion	$	21,673		$	22,455