Financing Obligation (Financing Obligation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
Financing Obligation [Abstract]
Financing obligation payable in monthly installments of $275 at August 31, 2013, including principal and interest, with two percent annual increases (imputed interest at 7.7%), through June 2025	$ 27,376	$ 28,515
Less current portion	(1,298)	(1,139)
Total financing obligation, less current portion	26,078	27,376
Monthly payment of financing obligation	$ 280
Annual increase to base payment	2.00%
Imputed interest	7.70%
Expiration date	June 2025