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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reconciliation of Basic and Diluted Earnings (Loss) Per Share) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2011
Jul. 31, 2011
Apr. 30, 2011
Jan. 31, 2011
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]                      
Net income (loss) $ 4,086 $ 3,957 $ 2,962 $ 4,633 $ 2,654 $ 4,575 $ 2,349 $ 1,546 $ 15,638 $ 11,124 $ (5,744)
Undistributed earnings allocated to participating shares                 (134) (53)   
Net income (loss) applicable to common shareholders                 $ 15,504 $ 11,071 $ (5,744)
Weighted average shares outstanding                 6,445 6,441 6,441
Stock options                 25 31   
Diluted weighted average shares outstanding                 6,470 6,472 6,441
Basic income (loss) per share $ 0.63 $ 0.61 $ 0.46 $ 0.71 $ 0.41 $ 0.71 $ 0.36 $ 0.24 $ 2.41 $ 1.72 $ (0.89)
Diluted income (loss) per share $ 0.63 $ 0.61 $ 0.45 $ 0.71 $ 0.41 $ 0.7 $ 0.36 $ 0.24 $ 2.4 $ 1.71 $ (0.89)