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Income Taxes (Tables)
6 Months Ended
Jul. 31, 2012
Income Taxes [Abstract]  
Company's income tax expense relating to continuing operations
                 
    Six Months Ended July 31,  
    2012     2011  

Computed expected income tax expense

  $ 5,823,000     $ 1,177,000  

State income taxes, net of federal tax benefit

    630,000       137,000  

Permanent deductions, net

    (406,000     (126,000

Other, net

    61,000       10,000  
   

 

 

   

 

 

 
    $ 6,108,000     $ 1,198,000