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Consolidated Condensed Statement of Changes in Shareholders' Equity (unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
Common stock
Additional paid-in capital
Treasury Stock
Retained earnings
Accumulated Other Comprehensive income/(loss)
Total
Balance at Apr. 30, 2012 $ 1,000 $ 991 $ (1,390) $ 31,628 $ 85 $ 32,314
Balance (in shares) at Apr. 30, 2012 10,000,000   (103,619)      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income       5,095   5,095
Change in unrealized gains on securities, net of taxes         46 46
Purchase of treasury stock     (147)     (147)
Purchase of treasury stock (in shares)     (16,330)      
Dividends declared       (4,451)   (4,451)
Balance at Jan. 31, 2013 1,000 991 (1,537) 32,272 131 32,857
Balance (in shares) at Jan. 31, 2013 10,000,000   (119,949)      
Balance at Apr. 30, 2013 1,000 991 (1,572) 32,315 251 32,985
Balance (in shares) at Apr. 30, 2013 10,000,000   (123,572)      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income       5,087   5,087
Change in unrealized gains on securities, net of taxes         (48) (48)
Purchase of treasury stock     (509)     (509)
Purchase of treasury stock (in shares)     (55,073)      
Dividends declared       (4,428)   (4,428)
Balance at Jan. 31, 2014 $ 1,000 $ 991 $ (2,081) $ 32,974 $ 203 $ 33,087
Balance (in shares) at Jan. 31, 2014 10,000,000   (178,645)