Quarterly report pursuant to Section 13 or 15(d)

STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED)

v3.21.1
STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance beginning at Dec. 31, 2019 $ 422,398 $ 6,293,069 $ 4,864,817 $ (344,204) $ 11,236,080
Balance beginning (in shares) at Dec. 31, 2019 42,239,788        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of stock-based compensation $ 92 59,910     60,002
Issuance of stock-based compensation (in shares) 9,189        
Compensation expense related to stock options   300,966     300,966
Issuance upon options exercised $ 1,750 83,750     85,500
Issuance upon options exercised (in shares) 175,000        
Net income     449,428   449,428
Balance ending at Mar. 31, 2020 $ 424,240 6,737,695 5,314,245 (344,204) 12,131,976
Balance ending (in shares) at Mar. 31, 2020 42,423,977        
Balance beginning at Dec. 31, 2020 $ 466,801 35,880,986 3,652,754 (3,843,562) 36,156,979
Balance beginning (in shares) at Dec. 31, 2020 46,680,119        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of stock-based compensation $ 101 56,149     56,250
Issuance of stock-based compensation (in shares) 10,124        
Compensation expense related to stock options   677,934     677,934
Litigation settlement options $ 952 937,142     938,094
Litigation settlement share issuance 95,238        
Issuance upon options exercised $ 11,106 1,218,894     1,230,000
Issuance upon options exercised (in shares) 1,110,580        
Net income     (1,276,138)   (1,276,138)
Balance ending at Mar. 31, 2021 $ 478,960 $ 38,771,105 $ 2,376,616 $ (3,843,562) $ 37,783,119
Balance ending (in shares) at Mar. 31, 2021 47,896,061