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NET LOSS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Net loss attributable to common stock (in dollars)	$ (4,035)	$ (2,450)	$ (9,380)	$ (4,339)
Weighted average shares outstanding, basic and diluted (in shares)	50,882	50,572	51,070	50,656
Net loss per share, basic and diluted (in dollars per share)	$ (0.08)	$ (0.05)	$ (0.18)	$ (0.09)
Anti-dilutive securities excluded from diluted net loss per share calculation for stock-based compensation plans (in shares)	6,852	6,038	6,852	6,038

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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