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Note 4 Other Assets (Unrealized Loss) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Gross Unrealized Losses, Less than 12 Months $ 9 $ 0
Fair Value, Less than 12 Months 27 57
Gross Unrealized Losses, 12 Months or Greater 8 149
Fair Value, 12 Months or Greater 263 329
Gross Unrealized Losses, Total 17 149
Fair Value, Total $ 290 $ 386