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Note 3 - Comprehensive Income (Detail) - Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 15 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Net income (loss) $ (265) $ 637 $ (521) $ 283 $ 637
Other comprehensive income:          
Unrealized gain (loss) on available-for-sale marketable securities (11)   8    
Foreign currency translation adjustment (48)   (19) 6 3
Comprehensive income (loss) $ (324)   $ (532) $ 289 $ 640