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v3.21.2

Consolidated Statements of Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Apr. 30, 2018 | 13,147,143 |  |  |  |  |
Balance at Apr. 30, 2018 | $ 131 | $ 72,641 | $ 361,988 | $ (204,325) | $ 100 | $ 230,535
Issuance of common stock (in shares) | 2,267 |  |  |  |  |
Issuance of common stock | $ 0 | 147 | 0 | 0 | 0 | $ 147
Stock options exercised (in shares) | 226,620 |  |  |  |  | 275,000
Stock options exercised | $ 3 | 5,114 | 0 | 0 | 0 | $ 5,117
Purchase of treasury shares | 0 | 0 | 0 | (26,577) | 0 | (26,577)
Stock based compensation | 0 | 3,703 | 0 | 0 | 0 | 3,703
Dividends on subsidiary preferred stock | 0 | 0 | (40) | 0 | 0 | (40)
Net income | $ 0 | 0 | 47,625 | 0 | 0 | 47,625
Balance (in shares) at Apr. 30, 2019 | 13,376,030 |  |  |  |  |
Balance at Apr. 30, 2019 | $ 134 | 81,605 | 409,573 | (230,902) | 100 | 260,510
Issuance of common stock (in shares) | 9,760 |  |  |  |  |
Issuance of common stock | $ 0 | 190 | 0 | 0 | 0 | $ 190
Stock options exercised (in shares) | 92,943 |  |  |  |  | 121,250
Stock options exercised | $ 1 | 1,532 | 0 | 0 | 0 | $ 1,533
Purchase of treasury shares | 0 | 0 | 0 | (16,009) | 0 | (16,009)
Stock based compensation | 0 | 4,732 | 0 | 0 | 0 | 4,732
Dividends on subsidiary preferred stock | 0 | 0 | (40) | 0 | 0 | (40)
Net income | 0 | 0 | 51,343 | 0 | 0 | 51,343
Issuance of restricted stock |  | 500 |  |  |  | 500
Balance (in shares) at Apr. 30, 2020 | 13,478,733 |  |  |  |  |
Balance at Apr. 30, 2020 | $ 135 | 88,559 | 460,876 | (246,911) | 100 | 302,759
Issuance of common stock (in shares) | 2,921 |  |  |  |  |
Issuance of common stock | $ 0 | 258 | 0 | 0 | 0 | $ 258
Stock options exercised (in shares) | 110,235 |  |  |  |  | 131,350
Stock options exercised | $ 1 | 4,033 | 0 | 0 | 0 | $ 4,034
Purchase of treasury shares | 0 | 0 | 0 | (10,616) | 0 | (10,616)
Stock based compensation | 0 | 5,962 | 0 | 0 | 0 | 5,962
Dividends on subsidiary preferred stock | 0 | 0 | (40) | 0 | 0 | (40)
Net income | $ 0 | 0 | 104,139 | 0 | 0 | 104,139
Balance (in shares) at Apr. 30, 2021 | 13,591,889 |  |  |  |  |
Balance at Apr. 30, 2021 | $ 136 | $ 98,812 | $ 564,975 | $ (257,527) | $ 100 | $ 406,496

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