Schedule of Components of Income Tax Expense (Benefit) (Details)	12 Months Ended
	Aug. 31, 2015 USD ($)
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 1	$ 76,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 2	508,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 3	1,056,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 4	720,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 5	753,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 6	552,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 7	538,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 8	252,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 9	344,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 10	1,309,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 11	1,652,000
Income Tax Schedule Of Components Of Income Tax Expense (benefit) 12	$ 7,760,000