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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Retained Earnings (Accumulated Deficit)
--- | --- | --- | --- | ---
Beginning Balance (in shares) at Sep. 30, 2020 |  | 12,404 |  |
Beginning Balance at Sep. 30, 2020 | $ 53,437 | $ 12 | $ 85,868 | $ (32,443)
Expense related to director restricted stock unit (shares) |  | 141 |  |
Expense related to director restricted stock units | 467 |  | 467 |
Expense related to employee stock options | 1,193 |  | 1,193 |
Exercise of stock options (shares) |  | 175 |  |
Exercise of stock options | 434 | $ 1 | 433 |
Net income | 10,145 |  |  | 10,145
Cancellation of common stock (in shares) |  | (6) |  |
Cancellation of common stock | $ (68) |  | (68) |
Ending Balance (in shares) at Sep. 30, 2021 | 12,714 | 12,714 |  |
Ending Balance at Sep. 30, 2021 | $ 65,608 | $ 13 | 87,893 | (22,298)
Expense related to director restricted stock unit (shares) |  | 0 |  |
Expense related to director restricted stock units | 648 |  | 648 |
Expense related to employee stock options | 1,960 |  | 1,960 |
Stock issued for director restricted stock units (in shares) |  | 53 |  |
Stock issued for director restricted stock units | $ 0 |  |  |
Exercise of stock options (shares) | 257 | 257 |  |
Exercise of stock options | $ 637 | $ 0 | 637 |
Common stock surrendered for the exercise of stock options (in shares) |  | (31) |  |
Common stock surrendered for the exercise of stock options | (281) |  | (281) |
Exercise of stock warrants (in shares) |  | 54 |  |
Exercise of stock warrants | 200 |  | 200 |
Net income | $ 23,288 |  |  | 23,288
Ending Balance (in shares) at Sep. 30, 2022 | 12,714 | 13,047 |  |
Ending Balance at Sep. 30, 2022 | $ 92,060 | $ 13 | $ 91,057 | $ 990

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