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Note 13 Computation of Earnings Per Share (Narratives) (Details)
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings Per Share [Abstract]        
Weighted Average Number Diluted Shares Outstanding Adjustment 736,000 722,000 703,000 700,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,318,679 2,761,044 2,507,755 2,663,782