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Condensed Statement of Stockholders' Equity (Unaudited) - USD ($)
Common Stock
Additional Paid-In Capital
Retained Earnings / Accumulated Deficit
Total
Beginning Balance at Dec. 31, 2019 $ 6,018 $ 61,066,971 $ (47,838,763) $ 13,234,226
Beginning Balance (in shares) at Dec. 31, 2019 6,017,674      
Repurchase of common stock $ (5) (8,491)   (8,496)
Repurchase of common stock (in shares) (4,967)      
Cancellation of restricted stock $ (3) 3    
Cancellation of restricted stock (in shares) (3,200)      
Conversion of convertible note      
Stock-based compensation   132,055   132,065
Net income (loss)     (90,327) (90,327)
Ending Balance at Mar. 31, 2020 $ 6,010 61,190,548 (47,929,090) 13,267,468
Ending Balance (in shares) at Mar. 31, 2020 6,009,507      
Beginning Balance at Dec. 31, 2020 $ 6,103 61,733,522 (51,117,364) 10,622,261
Beginning Balance (in shares) at Dec. 31, 2020 6,102,630      
Vesting of restricted stocks $ 39 (39)    
Vesting of restricted stocks (in shares) 38,775      
Cancellation of restricted stock $ (3) 3    
Cancellation of restricted stock (in shares) (2,755)      
Exercise of stock options $ 713 1,710,945   1,711,658
Exercise of stock options (in shares) 713,349      
Issuance of common stock for intangible assets $ 184 1,686,956   1,687,140
Issuance of common stock for intangible assets (in shares) 184,332      
Conversion of convertible note $ 89 129,911   130,000
Conversion of convertible note (in shares) 89,040      
Stock-based compensation   148,772   148,772
Net income (loss)     202,902 202,902
Ending Balance at Mar. 31, 2021 $ 7,125 $ 65,410,070 $ (50,914,462) $ 14,502,733
Ending Balance (in shares) at Mar. 31, 2021 7,125,371