Operating Leases And Rental Expense (Schedule Of Operating Lease Expense, Including Real Estate Taxes And Insurance) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Operating Leased Assets [Line Items]
Operating lease expense	$ 471,132	$ 477,436	$ 444,480
Factory and Office Leases [Member]
Operating Leased Assets [Line Items]
Operating lease expense	455,956	470,049	439,722
Other [Member]
Operating Leased Assets [Line Items]
Operating lease expense	$ 15,176	$ 7,387	$ 4,758