Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional paid-in capital and cumulative stock based compensation [Member]	Accumulated other comprehensive income (loss) [Member]	Accumulated deficit [Member]
Balance at Dec. 31, 2011	$ 96,476		$ 65,115	$ (1,433)	$ 32,794
Balance, shares at Dec. 31, 2011		100
Stock compensation expense	554		554
Other comprehensive income (loss)	2,440			2,440
Net loss	(7,321)				(7,321)
Balance at Dec. 31, 2012	92,149		65,669	1,007	25,473
Balance, shares at Dec. 31, 2012		100
Stock compensation expense	261		261
Tax benefit relating to stock based compensation	(181)		(181)
Other comprehensive income (loss)	2,350			2,350
Net loss	(10,776)				(10,776)
Balance at Dec. 31, 2013	83,803		65,749	3,357	14,697
Balance, shares at Dec. 31, 2013	100	100
Stock compensation expense	671		671
Tax benefit relating to stock based compensation	(42)		(42)
Equity component, net relating to the 2014 notes exchange agreement	11,410		11,410
Other comprehensive income (loss)	(3,860)			(3,860)
Net loss	(11,265)				(11,265)
Balance at Dec. 31, 2014	$ 80,717		$ 77,788	$ (503)	$ 3,432
Balance, shares at Dec. 31, 2014	100	100