Quarterly report pursuant to Section 13 or 15(d)

Statements of Shareholders' Equity (Unaudited)

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Statements of Shareholders' Equity (Unaudited) - 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   538,524   538,524
Issuance of common stock under employee stock purchase plan (in shares) 17,312      
Issuance of common stock under employee stock purchase plan $ 173 145,767 145,940
Tax withholding related to vesting of restricted stock grants (in shares) (545)      
Tax withholding related to vesting of restricted stock grants $ (5) (6,671) (6,676)
Net income     1,009,960 1,009,960
Restricted stock issuance, net (in shares) (3,838)      
Restricted stock issuance, net $ (38) 38    
Exercise of stock options, net of shares exchanged for payment (in shares) 2,974      
Exercise of stock options, net of shares exchanged for payment $ 29 (12) 17
Balance (in shares) at Dec. 31, 2018 13,662,456      
Balance at Dec. 31, 2018 $ 136,625 56,161,405 14,264,611 70,562,641
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   240,586   240,586
Issuance of common stock under employee stock purchase plan (in shares) 15,107      
Issuance of common stock under employee stock purchase plan $ 151 169,501 $ 169,652
Exercise of stock options (in shares) 1,000     1,000
Exercise of stock options $ 10 2,570 $ 2,580
Tax withholding related to vesting of restricted stock grants (in shares) (453)      
Tax withholding related to vesting of restricted stock grants $ (4) (5,799) (5,803)
Net income     501,158 501,158
Balance (in shares) at Dec. 31, 2019 13,657,459      
Balance at Dec. 31, 2019 $ 136,575 $ 57,383,020 $ 18,321,965 $ 75,841,560