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Cash Flow Information
6 Months Ended
Jan. 31, 2013
Supplemental Cash Flow Elements [Abstract]  
Cash Flow, Supplemental Disclosures [Text Block]
10.         Cash Flow Information:
 

For purposes of reporting cash flows, the Company considers cash equivalents to consist of short-term highly liquid investments with maturities of three (3) months or less, which are readily convertible into cash.

 
Supplemental disclosure: Six Months Ended
January 31
        2013       2012
Interest paid, net of capitalized interest of $4,458 (2013)
       and $1,269 (2012) $      224,568 $      302,764
 
Income taxes paid (refunded) $ 435,057 $ (24,589 )