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Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Total | Stock Options | Common Stock | Common Stock Stock Options | Unearned Shares Issued to ESOP | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period (in shares) at Sep. 30, 2015 |  |  |  | 6,988,848 |  |  |  |  |
Balance at beginning of period at Sep. 30, 2015 | $ 89,187 |  |  | $ 10,293 |  | $ (926) | $ 80,133 | $ (313) | [1]
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income | 2,528 |  |  |  |  |  | 2,528 |  |
Other comprehensive income (loss) | $ (2) |  |  |  |  |  |  | (2) |
Exercise of stock options (in shares) | 5,300 |  |  | 5,300 |  |  |  |  |
Exercise of stock options | $ 42 |  |  | $ 42 |  |  |  |  |
Common stock dividends | (838) |  |  |  |  |  | (838) |  |
Earned ESOP shares, net of income taxes | 93 |  |  | $ 26 |  | 67 |  |  |
Stock option compensation expense |  |  | $ 41 |  | $ 41 |  |  |  |
Balance at end of period (in shares) at Dec. 31, 2015 |  |  |  | 6,994,148 |  |  |  |  |
Balance at end of period at Dec. 31, 2015 | 91,051 |  |  | $ 10,402 |  | (859) | 81,823 | (315) | [1]
Balance at beginning of period (in shares) at Sep. 30, 2016 |  |  |  | 6,943,868 |  |  |  |  |
Balance at beginning of period at Sep. 30, 2016 | 96,834 | [2] |  | $ 9,961 |  | (661) | 87,709 | (175) | [1]
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income | 3,147 |  |  |  |  |  | 3,147 |  |
Other comprehensive income (loss) | $ (14) |  |  |  |  |  |  | (14) |
Exercise of stock options (in shares) | 12,700 |  |  | 12,700 |  |  |  |  |
Exercise of stock options | $ 80 |  |  | $ 80 |  |  |  |  |
Common stock dividends | (626) |  |  |  |  |  | (626) |  |
Earned ESOP shares, net of income taxes | 128 |  |  | $ 62 |  | 66 |  |  |
Stock option compensation expense |  |  | $ 85 |  | $ 85 |  |  |  |
Balance at end of period (in shares) at Dec. 31, 2016 |  |  |  | 6,956,568 |  |  |  |  |
Balance at end of period at Dec. 31, 2016 | $ 99,634 |  |  | $ 10,188 |  | $ (595) | $ 90,230 | $ (189) | [1]
[1] | All amounts are net of income taxes.
[2] | Derived from audited consolidated financial statements.

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