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Note 3 - Inventories (Detail) (USD $)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Minimum [Member]
Jun. 30, 2012
Maximum [Member]
Jun. 30, 2012
TLS and RLS [Member]
Recognition of Inventory Reserves     10 years 15 years  
Inventory Valuation Reserves (in Dollars) $ 1,721,000 $ 443,000     $ 900,000