Income Taxes (Details 2) (USD $)	Aug. 31, 2014	Aug. 31, 2013
Deferred tax assets:
Net operating loss	$ 527,000	$ 432,000
Capital losses	99,000	1,344,000
Allowance for doubtful accounts	4,000	49,000
Accrued expenses	333,000	186,000
Accrued worker's compensation	125,000	987,000
Inventory reserve	644,000	618,000
Unrealized losses on investment	(51,000)	(37,000)
Excess of tax over book depreciation	(131,000)	562,000
Other	331,000	267,000
Total deferred tax assets	1,881,000	4,368,000
Valuation allowance	(576,000)	(1,495,000)
Deferred Tax Assets, Net of Valuation Allowance	1,305,000	2,873,000
Deferred tax liabilities:
Deferred gains	0	(1,140,000)
Total deferred tax liabilities	0	(1,140,000)
Total deferred tax assets	$ 1,305,000	$ 1,733,000