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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Cumulative Effect, Period of Adoption, Adjustment [Member]
Common Stock [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Additional Paid-in Capital [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Treasury Stock [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
AOCI Attributable to Parent [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
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, 2018             10,000,000   (308,380)      
Balance (Accounting Standards Update 2016-01 [Member]) at Apr. 30, 2018 $ 785 $ (785)            
Balance at Apr. 30, 2018             $ 1,000 $ 991 $ (4,135) $ 44,902 $ 783 $ 43,541
Net income             12,009 12,009
Change in unrealized gains on Fixed Income securities, net of taxes             36 $ 36
Purchase of treasury stock (in shares)               (28,059)     (28,059)
Purchase of treasury stock             $ (608) $ (608)
Dividends declared [1]             (7,454) (7,454)
Balance (in shares) at Apr. 30, 2019             10,000,000   (336,439)      
Balance at Apr. 30, 2019             $ 1,000 991 $ (4,743) 50,242 34 47,524
Net income             14,943 14,943
Change in unrealized gains on Fixed Income securities, net of taxes             97 $ 97
Purchase of treasury stock (in shares)               (46,840)     (46,840)
Purchase of treasury stock             $ (1,214) $ (1,214)
Dividends declared [2]             (7,811) (7,811)
Balance (in shares) at Apr. 30, 2020             10,000,000   (383,279)      
Balance at Apr. 30, 2020             $ 1,000 991 $ (5,957) 57,374 131 53,539
Balance at Dec. 31, 2019                     47,524
Net income                       14,943
Change in unrealized gains on Fixed Income securities, net of taxes                       97
Balance at Dec. 31, 2020                     53,539
Balance at Apr. 30, 2020             1,000 991 (5,957) 57,374 131 53,539
Net income             23,280 23,280
Change in unrealized gains on Fixed Income securities, net of taxes             (128) $ (128)
Purchase of treasury stock (in shares)               (53,551)     (53,551) [3]
Purchase of treasury stock             $ (1,526) $ (1,526) [3]
Dividends declared [4]             (8,152) (8,152)
Balance (in shares) at Apr. 30, 2021             10,000,000   (436,830)      
Balance at Apr. 30, 2021             $ 1,000 $ 991 $ (7,483) $ 72,502 $ 3 $ 67,013
[1] Dividends declared per share were $0.19 for each of the three months ended July 31, 2018, October 31, 2018 and January 31, 2019 and $0.20 for the three months ended April 30, 2019.
[2] Dividends declared per share were $0.20 for each of the three months ended July 31, 2019, October 31, 2019 and January 31, 2020 and $0.21 for the three months ended April 30, 2020.
[3] Were acquired during the $2 million repurchase program authorized in April 2020.
[4] Dividends declared per share were $0.21 for each of the three months ended July 31, 2020, October 31, 2020 and January 31, 2021 and $0.22 for the three months ended April 30, 2021.