XML 16 R5.htm IDEA: XBRL DOCUMENT v3.21.1
Condensed Statements of Changes in Stockholders' Equity - USD ($)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2019 $ 1,710 $ 69,409,949 $ (57,671,052) $ 11,740,607
Balance (in shares) at Dec. 31, 2019 17,100,726      
Issuance of common stock and warrants in private placement [1] $ 267 5,451,475 0 5,451,742
Issuance of common stock and warrants in private placement(in shares) [1] 2,675,293      
Stock-based compensation $ 0 583,865 0 583,865
Net loss 0 0 (5,450,910) (5,450,910)
Balance at Mar. 31, 2020 $ 1,977 75,445,289 (63,121,962) 12,325,304
Balance (in shares) at Mar. 31, 2020 19,776,019      
Balance at Dec. 31, 2020 $ 2,498 92,742,306 (77,440,919) 15,303,885
Balance (in shares) at Dec. 31, 2020 24,978,585      
Exercise of stock warrants $ 65 1,530,925   1,530,990
Exercise of stock warrants (in shares) 644,992      
Stock-based compensation $ 0 656,913 0 656,913
Net loss 0 0 (5,351,667) (5,351,667)
Balance at Mar. 31, 2021 $ 2,563 $ 94,930,144 $ (82,792,586) $ 12,140,121
Balance (in shares) at Mar. 31, 2021 25,623,577      
[1] Includes gross proceeds of $5,984,931, less total issuance costs of $533,189.