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Note 12 - Equity Plans: (Detail) - Stock Option Activity (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Outstanding at 46,007
Outstanding at (in Dollars per share) $ 20.90
Outstanding at 3 years 109 days
Exercisable at June 30, 2012 43,837
Exercisable at June 30, 2012 (in Dollars per share) $ 21.73
Exercisable at June 30, 2012 3 years 109 days
Exercisable at June 30, 2012 (in Dollars) $ 143
Granted 0
Exercised (2,170)
Exercised (in Dollars per share) $ 4.18
Canceled 0
Outstanding at 43,837
Outstanding at (in Dollars per share) $ 21.73
Outstanding at 3 years 109 days
Outstanding at (in Dollars) $ 143