Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Statements of Comprehensive Loss [Abstract]
Net loss	$ (2,072)us-gaap_NetIncomeLoss	$ (4,008)us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Foreign currency translation adjustments	2	35
Total comprehensive loss	$ (2,070)us-gaap_ComprehensiveIncomeNetOfTax	$ (3,973)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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration