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v3.10.0.1

Statements of Shareholders' Equity - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | ---
Balance (in shares) at Sep. 30, 2015 | 13,705,658 |  |  |
Balance at Sep. 30, 2015 | $ 137,057 | $ 55,887,850 | $ (4,745,777) | $ 51,279,130
Establishment of deferred tax asset for the adoption of ASU 2016-09 |  |  | 1,864,980 | 1,864,980
Stock-based compensation expense |  | 1,404,899 |  | 1,404,899
Repurchase of common stock (in shares) | (27,090) |  |  |
Repurchase of common stock | $ (271) | (333,490) |  | (333,761)
Restricted stock issuance, net (in shares) | 258,266 |  |  |
Restricted stock issuance, net | $ 2,583 | (2,583) |  |
Employee stock purchase plan (in shares) | 22,318 |  |  |
Employee stock purchase plan | $ 223 | 254,203 |  | 254,426
Exercise of stock options, net of shares exchanged for payment (in shares) | 191,853 |  |  |
Exercise of stock options, net of shares exchanged for payment | $ 1,918 | 546,926 |  | 548,844
Tax withholding related to vesting of restricted stock grants and exercise of stock options (in shares) | (24,726) |  |  |
Tax withholding related to vesting of restricted stock grants and exercise of stock options | $ (247) | (437,290) |  | (437,537)
Net income |  |  | 8,013,062 | 8,013,062
Balance (in shares) at Sep. 30, 2016 | 14,126,279 |  |  |
Balance at Sep. 30, 2016 | $ 141,263 | 57,320,515 | 5,132,265 | 62,594,043
Stock-based compensation expense |  | 2,319,975 |  | 2,319,975
Repurchase of common stock (in shares) | (270,124) |  |  |
Repurchase of common stock | $ (2,701) | (3,644,613) |  | (3,647,314)
Restricted stock issuance, net (in shares) | (7,809) |  |  |
Restricted stock issuance, net | $ (78) | 78 |  |
Employee stock purchase plan (in shares) | 25,867 |  |  |
Employee stock purchase plan | $ 258 | 334,434 |  | 334,692
Exercise of stock options, net of shares exchanged for payment (in shares) | 14,053 |  |  |
Exercise of stock options, net of shares exchanged for payment | $ 140 | 28,577 |  | 28,717
Tax withholding related to vesting of restricted stock grants and exercise of stock options (in shares) | (75,445) |  |  |
Tax withholding related to vesting of restricted stock grants and exercise of stock options | $ (754) | (952,078) |  | (952,832)
Net income |  |  | 3,847,839 | 3,847,839
Balance (in shares) at Sep. 30, 2017 | 13,812,821 |  |  |
Balance at Sep. 30, 2017 | $ 138,128 | 55,406,888 | 8,980,104 | 64,525,120
Stock-based compensation expense |  | 2,003,207 |  | 2,003,207
Repurchase of common stock (in shares) | (154,491) |  |  |
Repurchase of common stock | $ (1,545) | (1,758,897) |  | (1,760,442)
Restricted stock issuance, net (in shares) | (7,987) |  |  |
Restricted stock issuance, net | $ (80) | 80 |  |
Employee stock purchase plan (in shares) | 30,174 |  |  |
Employee stock purchase plan | $ 302 | 297,558 |  | 297,860
Exercise of stock options, net of shares exchanged for payment (in shares) | 8,025 |  |  |
Exercise of stock options, net of shares exchanged for payment | $ 81 | 23,931 |  | 24,012
Tax withholding related to vesting of restricted stock grants and exercise of stock options (in shares) | (41,989) |  |  |
Tax withholding related to vesting of restricted stock grants and exercise of stock options | $ (420) | (489,008) |  | (489,428)
Net income |  |  | 4,274,547 | 4,274,547
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

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