Deferred Tax Assets and Liabilities (Details) - USD ($)	Sep. 30, 2016	Sep. 30, 2015
Deferred Tax Assets and Liabilities [Abstract]
Deferred Tax Assets, Inventory	$ 1,558,000	$ 1,627,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	528,000	753,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves	244,000	244,000
Deferred Tax Assets, Property, Plant and Equipment	98,000	115,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	337,000	342,000
Deferred Tax Assets, Deferred Income	205,000	346,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	7,223,000	5,383,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	1,575,000	1,575,000
Deferred Tax Assets, Tax Credit Carryforwards	989,000	989,000
Deferred Tax Assets, Other	724,000	590,000
Deferred Tax Assets, Gross	13,481,000	11,964,000
Deferred Tax Liabilities, Intangible Assets	0	798,000
Deferred Tax Liabilities, Other	56,000	59,000
Deferred Tax Liabilities, Gross	56,000	857,000
Deferred tax assets net of liabilities before valuation allowance	13,425,000	11,107,000
Deferred Tax Assets, Valuation Allowance	(13,425,000)	(11,107,000)
Deferred Tax Assets, Net	$ 0	$ 0