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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Deficit
--- | --- | --- | --- | ---
Beginning Balance (shares) at Sep. 30, 2017 |  | 11,767 |  |
Beginning Balance at Sep. 30, 2017 | $ 35,855 | $ 12 | $ 82,687 | $ (46,844)
Stock-based compensation (shares) |  | 93 |  |
Stock-based compensation | 1,375 |  | 1,375 |
Exercise of stock options (shares) |  | 39 |  |
Exercise of stock options | 46 |  | 46 |
Net income | $ 1,836 |  |  | 1,836
Ending Balance (shares) at Sep. 30, 2018 | 11,889 | 11,899 |  |
Ending Balance at Sep. 30, 2018 | $ 39,418 | $ 12 | 84,285 | (44,879)
Stock-based compensation (shares) |  | 102 |  |
Stock-based compensation | 790 |  | 790 |
Exercise of stock options (shares) |  | 35 |  |
Exercise of stock options | 39 |  | 39 |
Net income | $ 5,324 |  |  | 5,324
Ending Balance (shares) at Sep. 30, 2019 | 12,036 | 12,036 |  |
Ending Balance at Sep. 30, 2019 | $ 45,571 | $ 12 | $ 85,114 | $ (39,555)

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