Consolidated Balance Sheet (Parentheticals) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Accounts Receivable, allowance (in Dollars)	$ 10,000	$ 10,000
Inventories, allowance (in Dollars)	793,000	851,000
Deferred income taxes, valuation allowance (in Dollars)	334,200	332,800
Deferred income taxes-less valuation allowance (in Dollars)	$ 3,788,100	$ 3,903,900
Common Class A [Member]
Shares authorized	10,000,000	10,000,000
No par value (in Dollars per share)	$ 0	$ 0
Shares issued	1,163,349	1,045,597
Treasury shares	15,795	15,795
Common Class B [Member]
Shares authorized	2,500,000	2,500,000
No par value (in Dollars per share)	$ 0	$ 0
Shares issued	475,533	475,533
Treasury shares	667	667