Property, Plant and Equipment (Details) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 15,086,000	$ 14,038,000
Less accumulated depreciation	(8,424,000)	(7,520,000)
Property, Plant and Equipment, net	6,662,000	6,518,000
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	176,000	187,000
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	3,607,000	3,131,000
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	10,270,000	9,771,000
Office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	980,000	896,000
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 53,000	$ 53,000