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Note 4 - Property and Equipment, net (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2012
Depreciation $ 73 $ 86  
Property, Plant and Equipment, Gross 7,278   7,458
Proceeds from Sale of Property, Plant, and Equipment 18 2  
Disposed Property and Equipment [Member]
     
Property, Plant and Equipment, Gross 188    
Machinery and Equipment [Member]
     
Property, Plant and Equipment, Gross $ 4,837 $ 2 $ 5,017