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Loss Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
BASIC
Net loss attributable to common stockholders	$ (6,199)us-gaap_NetIncomeLoss	$ (7,301)us-gaap_NetIncomeLoss
Weighted average shares outstanding—basic	31,207,672	31,152,015
Net loss per share—basic	$ (0.20)us-gaap_EarningsPerShareBasic	$ (0.23)us-gaap_EarningsPerShareBasic
DILUTED
Net loss attributable to common stockholders	$ (6,199)us-gaap_NetIncomeLoss	$ (7,301)us-gaap_NetIncomeLoss
Weighted average shares outstanding—basic	31,207,672	31,152,015
Diluted	31,207,672	31,152,015
Net loss per share, diluted	$ (0.20)us-gaap_EarningsPerShareDiluted	$ (0.23)us-gaap_EarningsPerShareDiluted

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

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

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

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