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Note 7 - Comprehensive Income
3 Months Ended
Dec. 31, 2011
Comprehensive Income (Loss) Note [Text Block]

Note 7 - Comprehensive Income

     Comprehensive income, which includes net income plus net unrealized gains (losses) on U.S. Treasury Bills and marketable securities, was $5,625,000 and $7,825,000 for the three-month periods ended December 31, 2011 and 2010, respectively.   There was an unrealized after-tax gain of $3,919,000 for the three-month period ended December 31, 2011 as compared to $5,641,000 in the prior year period.