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SHARE-BASED COMPENSATION (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
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Sep. 30, 2011
Sep. 30, 2012
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Sep. 30, 2011
SHARE-BASED COMPENSATION        
Compensation expense of share-based awards recognized in wages $ 194,000 $ 107,000 $ 381,000 $ 334,000
Compensation expense per share (in dollars per share) $ 0.01 $ 0.01 $ 0.02 $ 0.02
Unrecognized compensation expense related to share-based compensation plans $ 1,309,000   $ 1,309,000  
Number of share-based compensation plans 2   2  
Period over which unrecognized compensation expense is expected to be recognized     3 years