Equipment and Leasehold Improvements (Details) (USD $)	Aug. 31, 2014	Aug. 31, 2013
Book value	$ 1,603,000	$ 1,396,000
Equipment and Leasehold Improvements [Member]
Machinery and equipment	5,170,000	4,584,000
Furniture and fixtures	807,000	793,000
Vehicles	138,000	138,000
Leasehold improvements	1,528,000	1,463,000
Property, Plant and Equipment, Gross	7,643,000	6,978,000
Less accumulated depreciation and amortization	(6,040,000)	(5,582,000)
Book value	$ 1,603,000	$ 1,396,000