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Note 2 - Summary of Significant Accounting Policies (Detail) - Estimated future warranty claims: (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Balance	$ 993	$ 3,415	$ 4,482
Current year provisions	7,564	163	3,602
Expenditures	(8,106)	(2,585)	(4,669)
Balance	$ 451	$ 993	$ 3,415

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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