Income Taxes (Details 2) - USD ($)	Aug. 31, 2015	Aug. 31, 2014
Deferred tax assets:
Net operating loss	$ 522,000	$ 527,000
Capital losses	116,000	99,000
Allowance for doubtful accounts	14,000	4,000
Accrued expenses	146,000	333,000
Accrued workers’ compensation	32,000	125,000
Inventory reserve	775,000	644,000
Unrealized losses on investment	(254,000)	(51,000)
Excess of tax over book depreciation	(78,000)	(131,000)
Other	305,000	331,000
Total deferred tax assets	1,578,000	1,881,000
Valuation allowance	(639,000)	(576,000)
Total deferred tax assets	$ 939,000	$ 1,305,000