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Consolidated Condensed Statement of Changes in Shareholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balance (in shares) at Apr. 30, 2017 10,000,000   (288,335)      
Balance at Apr. 30, 2017 $ 1,000 $ 991 $ (3,781) $ 39,186 $ 458 $ 37,854
Net income       4,287   4,287
Change in unrealized gains on securities, net of taxes         257 257
Purchase of treasury stock (in shares)   (8,865)      
Purchase of treasury stock     $ (150)     (150)
Dividends declared [1]       (3,495)   (3,495)
Balance (in shares) at Oct. 31, 2017 10,000,000   (297,200)      
Balance at Oct. 31, 2017 $ 1,000 991 $ (3,931) 39,978 715 38,753
Balance (in shares) at Apr. 30, 2018 10,000,000   (308,380)      
Balance at Apr. 30, 2018 $ 1,000 991 $ (4,135) 44,902 783 43,541
Net income       6,406   6,406
Change in unrealized gains on securities, net of taxes         181 181
Purchase of treasury stock (in shares)   (2,286)      
Purchase of treasury stock     $ (46)     (46)
Dividends declared [2]       (3,682)   (3,682)
Balance (in shares) at Oct. 31, 2018 10,000,000   (310,666)      
Balance at Oct. 31, 2018 $ 1,000 $ 991 $ (4,181) $ 47,626 $ 964 $ 46,400
[1] Dividends declared per share were $0.18 for each of the three months ending July 31, 2017 and October 31, 2017.
[2] Dividends declared per share were $0.19 for each of the three months ending July 31, 2018 and October 31, 2018.