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Statements of Changes in Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2019 $ 5,207 $ 51,628,536 $ (45,809,581) $ 5,824,162
Beginning balance, shares at Dec. 31, 2019 5,208,170      
Stock issued for director services - vested $ 60 444,122 444,182
Stock issued for director services - vested, shares 59,782      
Stock issued to escrow account - unvested $ 3 (3)
Stock issued to escrow account - unvested, shares 2,126      
Stock option expense 722,549 722,549
Proceeds from issuance of common stock, pursuant to public offering $ 1,644 18,998,031 18,999,675
Proceeds from issuance of common stock, pursuant to public offering, shares 1,643,900      
Warrants exercised for cash $ 1,552 9,925,306 9,926,858
Warrants exercised for cash, shares 1,552,206      
Warrants exercised (cashless) $ 11 (11)
Warrants exercised (cashless), shares 11,304      
Stock option exercise (cashless) $ 2 (2)
Stock option exercise (cashless), shares 2,199      
Stock issued for services $ 3 14,739 14,742
Stock issued for services, shares 2,700      
Cash fees related to stock offerings (1,566,852) (1,566,852)
Net loss (5,213,025) (5,213,025)
Stock option expense       722,549
Ending balance, value at Dec. 31, 2020 $ 8,482 80,166,415 (51,022,606) 29,152,291
Ending balance, shares at Dec. 31, 2020 8,482,387      
Stock issued for director services - vested $ 41 742,244 742,285
Stock issued for director services - vested, shares 40,513      
Stock issued to escrow account - unvested $ (34) 34
Stock issued to escrow account - unvested, shares (33,774)      
Warrants exercised for cash $ 446 2,853,777 2,854,223
Warrants exercised for cash, shares 445,926      
Stock option exercise (cashless) $ 36 (630,409) (630,373)
Stock option exercise (cashless), shares 35,820      
Stock option exercise (for cash) $ 1 10,705 10,706
Stock option exercise (for cash), shares 839      
Net loss (6,596,039) (6,596,039)
Stock option expense 444,713 444,713
Ending balance, value at Dec. 31, 2021 $ 8,972 $ 83,587,479 $ (57,618,645) $ 25,977,806
Ending balance, shares at Dec. 31, 2021 8,971,711