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EQUITY Stock Options By Exercise Price Range (Details) (USD $)
 0 Months Ended 12 Months Ended
Dec. 13, 2012
Jan. 17, 2012
Oct. 05, 2011
Jan. 02, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
$2.24 - $2.56
Dec. 31, 2012
$3.28 - $3.90
Dec. 31, 2012
$4.09 - $4.96
Dec. 31, 2012
$5.05 - $5.50
Dec. 31, 2012
$6.49 - $7.57
Dec. 31, 2012
$7.38 - $11.42
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]                          
Number of outstanding options         1,311,397     157,500 229,166 188,333 362,500 257,000 116,898
Outstanding options, weighted average remaining contractual term 7 years 7 years 7 years 7 years       1 year 8 months 5 days 1 year 7 months 24 days 3 years 6 months 7 days 5 years 0 months 18 days 6 years 11 months 9 days 6 years 7 months 28 days
Outstanding options, weighted average exercise price               $ 2.44 $ 3.51 $ 4.48 $ 5.15 $ 7.19 $ 9.21
Number of exercisable options         954,432     156,875 229,166 171,666 362,500 30,000 4,225
Exercisable options, weighted average exercise price         $ 4.26 $ 4.08 $ 3.62 $ 2.44 $ 3.51 $ 4.43 $ 5.15 $ 7.41 $ 7.60
Exercise price range, lower range limit               $ 2.24 $ 3.28 $ 4.09 $ 5.05 $ 6.49 $ 7.57
Exercise price range, upper range limit               $ 2.56 $ 3.90 $ 4.96 $ 5.50 $ 7.57 $ 11.42