Note 7 - Stock Options: (Details) - Transactions involving the plans are summarized as follows: (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Employee Plans [Member]
Note 7 - Stock Options: (Details) - Transactions involving the plans are summarized as follows: [Line Items]
Balance (in Shares)		26,850	41,500
Weighted Average Exercise Price		$ 3.55	$ 3.41
Balance (in Shares)		(26,850)	(14,650)
Weighted Average Exercise Price		$ 3.55	$ 3.15
Balance (in Shares)			26,850
Weighted Average Exercise Price			$ 3.55
Balance (in Shares)			26,850
Weighted Average Exercise Price			$ 3.55
Director Plans [Member]
Note 7 - Stock Options: (Details) - Transactions involving the plans are summarized as follows: [Line Items]
Balance (in Shares)	42,000	38,000	44,000
Weighted Average Exercise Price	$ 5.95	$ 5.95	$ 6.30
Balance (in Shares)		7,000	5,000
Weighted Average Exercise Price	$ 2.925	$ 2.925	$ 2.925
Balance (in Shares)	(11,000)	(3,000)	(11,000)
Weighted Average Exercise Price	$ 3.55	$ 3.55	$ 5.98
Balance (in Shares)	31,000	42,000	38,000
Weighted Average Exercise Price	$ 5.57	$ 5.95	$ 5.95
Balance (in Shares)	25,000	30,000	28,334
Weighted Average Exercise Price	$ 6.20	$ 6.52	$ 6.62