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v3.20.2

Statements of Shareholders' Equity - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | ---
Balance (in shares) at Sep. 30, 2018 | 13,646,553 |  |  |
Balance at Sep. 30, 2018 | $ 136,466 | $ 55,483,759 | $ 13,254,651 | $ 68,874,876
Stock-based compensation expense |  | 1,729,025 |  | 1,729,025
Restricted stock issuance, net (in shares) | (7,490) |  |  |
Restricted stock issuance, net | $ (75) | 75 |  |
Issuance of common stock under employee stock purchase plan (in shares) | 37,235 |  |  |
Issuance of common stock under employee stock purchase plan | $ 372 | 313,519 |  | 313,891
Exercise of stock options, net of shares exchanged for payment (in shares) | 6,440 |  |  |
Exercise of stock options, net of shares exchanged for payment | $ 64 | 2,540 |  | 2,604
Repurchase of shares for payment of withholding taxes for vested restricted stock grants (in shares) | (40,933) |  |  |
Repurchase of shares for payment of withholding taxes for vested restricted stock grants | $ (409) | (552,756) |  | (553,165)
Net income |  |  | 4,566,156 | 4,566,156
Balance at Sep. 30, 2019 | $ 136,418 | 56,976,162 | 17,820,807 | 74,933,387
Balance (in shares) at Sep. 30, 2019 | 13,641,805 |  |  |
Stock-based compensation expense |  | 773,555 |  | 773,555
Restricted stock issuance, net (in shares) | 8,580 |  |  |
Restricted stock issuance, net | $ 86 | (86) |  |
Issuance of common stock under employee stock purchase plan (in shares) | 30,223 |  |  |
Issuance of common stock under employee stock purchase plan | $ 302 | 348,474 |  | 348,776
Exercise of stock options, net of shares exchanged for payment (in shares) | 21,188 |  |  |
Exercise of stock options, net of shares exchanged for payment | $ 212 | 9,352 |  | 9,564
Repurchase of shares for payment of withholding taxes for vested restricted stock grants (in shares) | (10,038) |  |  |
Repurchase of shares for payment of withholding taxes for vested restricted stock grants | $ (100) | (176,316) |  | (176,416)
Net income |  |  | 7,293,066 | 7,293,066
Repurchase of common stock (in shares) | (41,796) |  |  |
Repurchase of common stock | $ (418) | (428,236) |  | (428,654)
Balance (in shares) at Sep. 30, 2020 | 13,649,962 |  |  |
Balance at Sep. 30, 2020 | $ 136,500 | $ 57,502,905 | $ 25,113,873 | $ 82,753,278

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