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NET INCOME (LOSS) PER SHARE NET LOSS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded From Computation of Net Loss Per Share
 
Three Months Ended
 
March 31,
 
2013
 
2012
Options
5,605

 
5,644

Non-vested restricted stock units
475

 
617

Anti-dilutive potential common shares
6,080

 
6,261