Long-Term Obligations (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-Term Obligations (in thousands, except percentages):

	As of March 31, 2015			As of December 31, 2014
5.00% Convertible Senior Notes due October 2017, interest payable semi-annually in April and October	$	130,000		$	130,000
Bank Loans due May 2015, principal and interest payable monthly, weighted-average effective interest rates of 5.5% and 5.5%, net of unamortized discounts of $2 and $8 at March 31, 2105 and December 31, 2014, respectively	1,912			3,722
Obligation for building and improvements, effective interest rate of 4.9%, expiring October 2026	5,801			5,868
Capital lease liabilities, expiring January 2016, net of unamortized discounts of $10 and $17 at March 31, 2015 and December 31, 2014, respectively	124			156
Total long-term obligations	137,837			139,746
Less current portion	(2,313		)	(4,144		)
Non-current portion	$	135,524		$	135,602