Deferred Tax Assets and Liabilities (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Deferred Tax Assets and Liabilities [Abstract]
Deferred Tax Assets, Inventory	$ 900,000	$ 868,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	459,000	450,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves	139,000	148,000
Deferred Tax Assets, Property, Plant and Equipment	75,000	507,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	335,000	341,000
Deferred Tax Assets, Deferred Income	202,000	224,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	2,117,000	2,072,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	986,000	915,000
Deferred Tax Assets, Tax Credit Carryforwards	398,000	366,000
Deferred Tax Assets, Other	299,000	286,000
Deferred Tax Assets, Gross	5,910,000	6,177,000
Deferred Tax Liabilities, Other	38,000	48,000
Deferred Tax Liabilities, Gross	38,000	48,000
Deferred tax assets net of liabilities before valuation allowance	5,872,000	6,129,000
Deferred Tax Assets, Valuation Allowance	(5,872,000)	(6,129,000)
Deferred Tax Assets, Net	$ 0	$ 0