Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended
Aug. 31, 2013	Aug. 31, 2012
Lease Expiration Date	Sep. 30, 2016
Operating Leases, Rent Expense	$ 1,758,000	$ 1,628,000
Minimum [Member]
Monthly Operating Lease Rental Payment	1,000
Maximum [Member]
Monthly Operating Lease Rental Payment	$ 32,000

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration