CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net loss	$ (2,091)us-gaap_NetIncomeLoss	$ (7,379)us-gaap_NetIncomeLoss	$ (11,245)us-gaap_NetIncomeLoss
Other comprehensive (loss) income:
Marketable securities, net of tax	(44)	(113)	23
Total comprehensive (loss)	$ (2,135)us-gaap_ComprehensiveIncomeNetOfTax	$ (7,492)us-gaap_ComprehensiveIncomeNetOfTax	$ (11,222)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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