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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Cumulative-effect adjustment for adoption of ASC 842 | Common Stock | Treasury Stock | Additional Paid-In Capital | Accumulated Deficit | Accumulated Deficit Cumulative-effect adjustment for adoption of ASC 842
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Sep. 30, 2018 |  |  | 11,899,000 | 0 |  |  |
Beginning Balance at Sep. 30, 2018 | $ 39,418 |  | $ 12 | $ 0 | $ 84,285 | $ (44,879) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Expense related to director restricted stock unit (in shares) |  |  | 102,000 |  |  |  |
Expense related to director restricted stock unit | 395 |  |  |  | 395 |  |
Expense related to employee stock options | 196 |  |  |  | 196 |  |
Exercise of stock options (in shares) |  |  | 35,000 |  |  |  |
Exercise of stock options | 39 |  |  |  | 39 |  |
Net income | 3,758 |  |  |  |  | 803 |
Ending Balance (in shares) at Jun. 30, 2019 |  |  | 12,036,000 | 0 |  |  |
Ending Balance at Jun. 30, 2019 | 43,806 |  | $ 12 | $ 0 | 84,915 | (41,121) |
Beginning Balance (in shares) at Mar. 31, 2019 |  |  | 12,036,000 | 0 |  |  |
Beginning Balance at Mar. 31, 2019 | 42,804 |  | $ 12 | $ 0 | 84,716 | (41,924) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Expense related to director restricted stock unit | 199 |  |  |  | 199 |  |
Net income | 803 |  |  |  |  | 3,758 |
Ending Balance (in shares) at Jun. 30, 2019 |  |  | 12,036,000 | 0 |  |  |
Ending Balance at Jun. 30, 2019 | $ 43,806 |  | $ 12 | $ 0 | 84,915 | (41,121) |
Beginning Balance (in shares) at Sep. 30, 2019 | 12,036,000 |  | 12,036,000 | 0 |  |  |
Beginning Balance at Sep. 30, 2019 | $ 45,571 | $ (2) | $ 12 | $ 0 | 85,114 | (39,555) | $ (2)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Expense related to director restricted stock unit (in shares) |  |  | 90,000 |  |  |  |
Expense related to director restricted stock unit | 260 |  |  |  | 260 |  |
Expense related to employee stock options | $ 306 |  |  |  | 306 |  |
Exercise of stock options (in shares) | 345,000 |  | 345,000 |  |  |  |
Exercise of stock options | $ 27 |  |  |  | 27 |  |
Repurchases of common stock (in shares) |  |  |  | 28,000 |  |  |
Repurchases of common stock | (113) |  |  | $ (113) |  |  |
Cancellation of common stock (in shares) |  |  | (117,000) | (28,000) |  |  |
Cancellation of common stock | (98) |  |  | $ 113 | (211) |  |
Net income | $ 5,752 |  |  |  |  | 5,752 |
Ending Balance (in shares) at Jun. 30, 2020 | 12,354,000 |  | 12,354,000 | 0 |  |  |
Ending Balance at Jun. 30, 2020 | $ 51,703 |  | $ 12 | $ 0 | 85,496 | (33,805) |
Beginning Balance (in shares) at Mar. 31, 2020 |  |  | 12,354,000 | 0 |  |  |
Beginning Balance at Mar. 31, 2020 | 49,397 |  | $ 12 | $ 0 | 85,314 | (35,929) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Expense related to director restricted stock unit | 87 |  |  |  | 87 |  |
Expense related to employee stock options | 95 |  |  |  | 95 |  |
Net income | $ 2,124 |  |  |  |  | 2,124 |
Ending Balance (in shares) at Jun. 30, 2020 | 12,354,000 |  | 12,354,000 | 0 |  |  |
Ending Balance at Jun. 30, 2020 | $ 51,703 |  | $ 12 | $ 0 | $ 85,496 | $ (33,805) |

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