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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Additional Paid-In Capital | Retained Earnings | Unearned Shares Issued to Employee Stock Ownership Plan ("ESOP") | Accumulated Other Comprehensive Income (Loss) | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Mar. 31, 2017 | $ 225 | $ 64,468 | $ 48,335 | $ (77) | $ (1,687) | $ 111,264
Balance (in shares) at Mar. 31, 2017 | 22,510,890 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  |  | 10,242 |  |  | 10,242
Cash dividend on common stock |  |  | (2,367) |  |  | (2,367)
Exercise of stock options | $ 1 | 244 |  |  |  | $ 245
Exercise of stock options (in shares) | 59,289 |  |  |  |  | 59,289
Earned ESOP shares |  | 71 |  | $ 77 |  | $ 148
Stock-based compensation expense |  | 88 |  |  |  | 88
Reclassification of certain stranded income tax effects as a result of change in federal corporate income tax rate |  |  | 342 |  | (342) |
Other comprehensive income, net |  |  |  |  | (2,719) | (2,719)
Balance at Mar. 31, 2018 | $ 226 | 64,871 | 56,552 |  | (4,748) | 116,901
Balance (in shares) at Mar. 31, 2018 | 22,570,179 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  |  | 17,266 |  |  | 17,266
Cash dividend on common stock |  |  | (3,390) |  |  | (3,390)
Exercise of stock options |  | (179) |  |  |  | $ (179)
Exercise of stock options (in shares) | 37,533 |  |  |  |  | 37,533
Stock-based compensation expense |  | 44 |  |  |  | $ 44
Other comprehensive income, net |  |  |  |  | 2,122 | 2,122
Balance at Mar. 31, 2019 | $ 226 | 65,094 | 70,428 |  | (2,626) | 133,122
Balance (in shares) at Mar. 31, 2019 | 22,607,712 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  |  | 15,748 |  |  | 15,748
Cash dividend on common stock |  |  | (4,306) |  |  | (4,306)
Exercise of stock options | $ 1 | 226 |  |  |  | $ 227
Exercise of stock options (in shares) | 58,000 |  |  |  |  | 58,000
Stock repurchased | $ (2) | (1,017) |  |  |  | $ (1,019)
Stock repurchased (in shares) | (204,100) |  |  |  |  |
Restricted stock grants (in shares) | 82,673 |  |  |  |  |
Stock-based compensation expense |  | 346 |  |  |  | 346
Other comprehensive income, net |  |  |  |  | 4,725 | 4,725
Balance at Mar. 31, 2020 | $ 225 | $ 64,649 | $ 81,870 |  | $ 2,099 | $ 148,843
Balance (in shares) at Mar. 31, 2020 | 22,544,285 |  |  |  |  |

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