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Note 7 - Other Liabilities (Detail) - Changes in product warranty reserves (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Balance	$ 181	$ 277
Costs incurred	(38)	(33)
Balance	181	267
Additions [Member]
Product warranty accrual period increase decrease	38	70
Adjustments [Member]
Product warranty accrual period increase decrease		$ (47)

- 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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