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Net Loss Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Net Loss Per Share Details
Net loss available for common shareholders - basic and diluted	$ (3,401)	$ (3,436)	$ (11,419)	$ (7,090)	$ (13,178)
Weighted-average shares outstanding - basic and diluted	43,015	26,493	38,951	25,870
Net loss per share - basic and diluted	$ (0.08)	$ (0.13)	$ (0.29)	$ (0.27)

The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

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