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Note 11 - Commitments and Contingencies (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Feb. 08, 2011	Feb. 03, 2009	Nov. 13, 2007
Operating Leases, Rent Expense (in Dollars)	$ 1.1	$ 1.2
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			250	350	250
Stock Repurchased During Period, Shares	28
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	201

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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