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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | ---
Balance (in shares) at Oct. 31, 2018 | 9,291,201 |  |  |
Balance at Oct. 31, 2018 | $ 93 | $ 20,974 | $ 6,716 | $ 27,783
Exercise of stock options (in shares) | 69,150 |  |  |
Exercise of stock options | $ 1 | 356 |  | 357
Stock-based compensation expense |  | 192 |  | 192
Dividends |  |  | (373) | (373)
Consolidated net income (loss) |  |  | 1,701 | 1,701
Balance (in shares) at Apr. 30, 2019 | 9,360,351 |  |  |
Balance at Apr. 30, 2019 | $ 94 | 21,522 | 8,044 | 29,660
Balance (in shares) at Jan. 31, 2019 | 9,356,935 |  |  |
Balance at Jan. 31, 2019 | $ 94 | 21,429 | 7,170 | 28,693
Exercise of stock options (in shares) | 3,416 |  |  |
Exercise of stock options |  | 15 |  | 15
Stock-based compensation expense |  | 78 |  | 78
Dividends |  |  | (187) | (187)
Consolidated net income (loss) |  |  | 1,061 | 1,061
Balance (in shares) at Apr. 30, 2019 | 9,360,351 |  |  |
Balance at Apr. 30, 2019 | $ 94 | 21,522 | 8,044 | 29,660
Balance (in shares) at Oct. 31, 2019 | 9,462,267 |  |  |
Balance at Oct. 31, 2019 | $ 95 | 21,949 | 9,489 | $ 31,533
Exercise of stock options (in shares) | 228,870 |  |  | 228,870
Exercise of stock options | $ 2 | 421 |  | $ 423
Stock-based compensation expense |  | 206 |  | 206
Dividends |  |  | (388) | (388)
Consolidated net income (loss) |  |  | (158) | (158)
Balance (in shares) at Apr. 30, 2020 | 9,758,062 |  |  |
Balance at Apr. 30, 2020 | $ 98 | 22,652 | 8,943 | 31,693
Issuance of restricted stock (in shares) | 54,850 |  |  |
Issuance of restricted stock | $ 1 | (1) |  |
Issuance of common shares (in shares) | 12,075 |  |  |
Issuance of common shares |  | 77 |  | 77
Balance (in shares) at Jan. 31, 2020 | 9,745,135 |  |  |
Balance at Jan. 31, 2020 | $ 98 | 22,524 | 9,322 | 31,944
Exercise of stock options (in shares) | 12,927 |  |  |
Exercise of stock options |  | 32 |  | 32
Stock-based compensation expense |  | 96 |  | 96
Dividends |  |  | (195) | (195)
Consolidated net income (loss) |  |  | (184) | (184)
Balance (in shares) at Apr. 30, 2020 | 9,758,062 |  |  |
Balance at Apr. 30, 2020 | $ 98 | $ 22,652 | $ 8,943 | $ 31,693

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