Leases Leases (Tables)

3 Months Ended

Oct. 31, 2012

Leases [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

At October 31, 2012, the Company had the following commitments for payments of rentals under operating leases which at inception had a non-cancelable term of more than one year: 

November 1, 2012 to October 31, 2013		$	1,582,614
November 1, 2013 to October 31, 2014	1,307,919
November 1, 2014 to October 31, 2015	1,034,139
November 1, 2015 to October 31, 2016	343,990
November 1, 2016 to October 31, 2017	127,504
Thereafter	60,816
Total minimum lease commitments		$	4,456,982