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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Nov. 30, 2013
Nov. 30, 2012
Stockholders' Equity:    
Preferred stock, par value, per share $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000 5,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value, per share $ 0.001 $ 0.001
Common stock, shares authorized 100,000 100,000
Common stock, shares issued 38,052 37,348
Treasury stock, shares 842 720