Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Shareholders' Equity (Unaudited)

v3.21.2
Condensed Statements of Shareholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Sep. 30, 2019 13,641,805      
Balance at Sep. 30, 2019 $ 136,418 $ 56,976,162 $ 17,820,807 $ 74,933,387
Stock-based compensation expense $ 0 541,884 0 541,884
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 0 348,776
Net income $ 0 0 4,243,623 4,243,623
Exercise of stock options, net of shares exchanged for payment (in shares) 7,646      
Exercise of stock options, net of shares exchanged for payment $ 76 10,892 0 10,968
Restricted stock issuance, net (in shares) 9,580      
Restricted stock issuance, net $ 96 (96) 0 0
Tax withholding related to vesting of restricted stock grants (in shares) (453)      
Tax withholding related to vesting of restricted stock grants $ (4) (5,799) 0 (5,803)
Repurchase of common stock (in shares) (41,796)      
Repurchase of common stock $ (418) (428,236) 0 (428,654)
Balance (in shares) at Jun. 30, 2020 13,647,005      
Balance at Jun. 30, 2020 $ 136,470 57,443,281 22,064,430 79,644,181
Balance (in shares) at Mar. 31, 2020 13,627,639      
Balance at Mar. 31, 2020 $ 136,276 57,042,604 19,069,862 76,248,742
Stock-based compensation expense $ 0 213,361 0 213,361
Issuance of common stock under employee stock purchase plan (in shares) 15,116      
Issuance of common stock under employee stock purchase plan $ 151 178,973 0 179,124
Net income $ 0 0 2,994,568 2,994,568
Exercise of stock options, net of shares exchanged for payment (in shares) 4,250      
Exercise of stock options, net of shares exchanged for payment $ 43 8,343 0 8,386
Balance (in shares) at Jun. 30, 2020 13,647,005      
Balance at Jun. 30, 2020 $ 136,470 57,443,281 22,064,430 79,644,181
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
Stock-based compensation expense $ 0 966,290 0 966,290
Issuance of common stock under employee stock purchase plan (in shares) 24,750      
Issuance of common stock under employee stock purchase plan $ 247 383,450 0 383,697
Net income $ 0 0 12,901,336 12,901,336
Exercise of stock options, net of shares exchanged for payment (in shares) 33,543      
Exercise of stock options, net of shares exchanged for payment $ 336 (456,460) 0 (456,124)
Restricted stock issuance, net (in shares) 36,509      
Restricted stock issuance, net $ 365 (365) 0 0
Tax withholding related to vesting of restricted stock grants (in shares) (2,219)      
Tax withholding related to vesting of restricted stock grants $ (23) (54,185) 0 (54,208)
Balance (in shares) at Jun. 30, 2021 13,742,545      
Balance at Jun. 30, 2021 $ 137,425 58,341,635 38,015,209 96,494,269
Balance (in shares) at Mar. 31, 2021 13,732,806      
Balance at Mar. 31, 2021 $ 137,328 57,794,061 31,917,096 89,848,485
Stock-based compensation expense $ 0 343,055 0 343,055
Issuance of common stock under employee stock purchase plan (in shares) 9,739      
Issuance of common stock under employee stock purchase plan $ 97 204,519 0 204,616
Net income $ 0 0 6,098,113 6,098,113
Balance (in shares) at Jun. 30, 2021 13,742,545      
Balance at Jun. 30, 2021 $ 137,425 $ 58,341,635 $ 38,015,209 $ 96,494,269