Quarterly report pursuant to Section 13 or 15(d)

STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED))

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STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED)) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock, Common [Member]
Total
Beginning balance, value at Dec. 31, 2021 $ 480,441 $ 40,774,245 $ (910,069) $ (3,843,562) $ 36,501,055
Beginning balance (in shares) at Dec. 31, 2021 48,044,162        
Accrued compensation paid in shares $ 475 142,025 142,500
Issuance of stock-based compensation (in shares) 47,500        
Compensation expense related to stock options 524,670 524,670
Compensation expense related to restricted stock awards 170,386 170,386
Ending balance, value at Mar. 31, 2022 481,212 41,611,030 (3,447,583) (3,843,562) 34,801,097
Net loss (2,537,514) (2,537,514)
Issuance upon options exercised $ 296 (296)
Issuance upon options exercised (in shares) 29,627        
Ending balance (in shares) at Mar. 31, 2022 48,121,289        
Beginning balance, value at Dec. 31, 2021 $ 480,441 40,774,245 (910,069) (3,843,562) 36,501,055
Beginning balance (in shares) at Dec. 31, 2021 48,044,162        
Ending balance, value at Jun. 30, 2022 $ 484,076 42,349,760 (6,368,924) (3,843,562) 32,621,350
Net loss         (5,458,855)
Ending balance (in shares) at Jun. 30, 2022 48,407,619        
Beginning balance, value at Mar. 31, 2022 $ 481,212 41,611,030 (3,447,583) (3,843,562) 34,801,097
Beginning balance (in shares) at Mar. 31, 2022 48,121,289        
Accrued compensation paid in shares $ 697 114,808 115,505
Issuance of stock-based compensation (in shares) 69,707        
Compensation expense related to stock options 527,736 527,736
Compensation expense related to restricted stock awards $ 500 231,011 231,511
Issuance of restricted stock awards (in shares) 50,000        
Ending balance, value at Jun. 30, 2022 $ 484,076 42,349,760 (6,368,924) (3,843,562) 32,621,350
Net loss (2,921,341) (2,921,341)
Issuance upon options exercised $ 1,667 (134,825) (133,158)
Issuance upon options exercised (in shares) 166,623        
Ending balance (in shares) at Jun. 30, 2022 48,407,619        
Beginning balance, value at Dec. 31, 2022 $ 488,619 44,252,117 (9,571,211) (3,843,562) 31,325,963
Beginning balance (in shares) at Dec. 31, 2022 48,861,891        
Accrued compensation paid in shares $ 489 175,287 175,776
Issuance of stock-based compensation (in shares) 48,875        
Compensation expense related to stock options 535,059 535,059
Compensation expense related to restricted stock awards $ 500 169,887 170,387
Issuance of restricted stock awards (in shares) 50,000        
Ending balance, value at Mar. 31, 2023 $ 489,608 45,132,350 (11,982,096) (3,843,562) 29,796,300
Net loss (2,410,885) (2,410,885)
Ending balance (in shares) at Mar. 31, 2023 48,960,766        
Beginning balance, value at Dec. 31, 2022 $ 488,619 44,252,117 (9,571,211) (3,843,562) 31,325,963
Beginning balance (in shares) at Dec. 31, 2022 48,861,891        
Ending balance, value at Jun. 30, 2023 $ 490,337 45,932,354 (14,477,982) (3,843,562) 28,101,147
Net loss         (4,906,771)
Ending balance (in shares) at Jun. 30, 2023 49,033,652        
Beginning balance, value at Mar. 31, 2023 $ 489,608 45,132,350 (11,982,096) (3,843,562) 29,796,300
Beginning balance (in shares) at Mar. 31, 2023 48,960,766        
Accrued compensation paid in shares $ 229 90,018 90,247
Issuance of stock-based compensation (in shares) 22,886        
Compensation expense related to stock options 540,099 540,099
Compensation expense related to restricted stock awards $ 500 169,887 170,387
Issuance of restricted stock awards (in shares) 50,000        
Ending balance, value at Jun. 30, 2023 $ 490,337 45,932,354 (14,477,982) (3,843,562) 28,101,147
Net loss $ (2,495,886) $ (2,495,886)
Ending balance (in shares) at Jun. 30, 2023 49,033,652