Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net loss	$ (22,608)us-gaap_NetIncomeLoss	$ (13,178)us-gaap_NetIncomeLoss	$ (20,691)us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Change in unrealized gain, net of $45, $(80) and $176 tax expense (benefit) in 2014, 2013 and 2012, respectively	11	(88)	364
Realized loss (gain) reclassified into earnings, net of tax	(97)	(45)	(68)
Comprehensive loss	$ (22,694)us-gaap_ComprehensiveIncomeNetOfTax	$ (13,311)us-gaap_ComprehensiveIncomeNetOfTax	$ (20,395)us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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