v3.21.2
Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Balance at Dec. 31, 2019 $ 36,535,343 $ 4,059 $ 178,766,806 $ (142,235,522)
Balance, Shares at Dec. 31, 2019   40,588,004    
Issuance of warrants 62,347   62,347  
Stock-based compensation expense 327,467   327,467  
Net and comprehensive loss (3,918,663)     (3,918,663)
Balance at Mar. 31, 2020 33,006,494 $ 4,059 179,156,620 (146,154,185)
Balance, Shares at Mar. 31, 2020   40,588,004    
Balance at Dec. 31, 2019 36,535,343 $ 4,059 178,766,806 (142,235,522)
Balance, Shares at Dec. 31, 2019   40,588,004    
Net and comprehensive loss 5,357,369      
Balance at Jun. 30, 2020 42,600,459 $ 4,059 179,474,553 (136,878,153)
Balance, Shares at Jun. 30, 2020   40,588,004    
Balance at Mar. 31, 2020 33,006,494 $ 4,059 179,156,620 (146,154,185)
Balance, Shares at Mar. 31, 2020   40,588,004    
Issuance of warrants 9,592   9,592  
Stock-based compensation expense 308,341   308,341  
Net and comprehensive loss 9,276,032     9,276,032
Balance at Jun. 30, 2020 42,600,459 $ 4,059 179,474,553 (136,878,153)
Balance, Shares at Jun. 30, 2020   40,588,004    
Balance at Dec. 31, 2020 43,057,865 $ 4,725 189,603,985 (146,550,845)
Balance, Shares at Dec. 31, 2020   47,251,319    
Issuance of common stock upon exercise of stock options 70,275 $ 8 70,267  
Issuance of common stock upon exercise of stock options, shares   78,769    
Issuance of common stock 4 $ 4    
Issuance of common stock, shares   41,394    
Stock-based compensation expense 345,756   345,756  
Net and comprehensive loss (4,441,739)     (4,441,739)
Balance at Mar. 31, 2021 39,032,161 $ 4,737 190,020,008 (150,992,584)
Balance, Shares at Mar. 31, 2021   47,371,482    
Balance at Dec. 31, 2020 $ 43,057,865 $ 4,725 189,603,985 (146,550,845)
Balance, Shares at Dec. 31, 2020   47,251,319    
Issuance of common stock upon exercise of stock options, shares 92,355      
Net and comprehensive loss $ (8,849,674)      
Balance at Jun. 30, 2021 35,215,946 $ 4,747 190,611,718 (155,400,519)
Balance, Shares at Jun. 30, 2021   47,477,084    
Balance at Mar. 31, 2021 39,032,161 $ 4,737 190,020,008 (150,992,584)
Balance, Shares at Mar. 31, 2021   47,371,482    
Issuance of common stock upon exercise of stock options 10,193 $ 1 10,192  
Issuance of common stock upon exercise of stock options, shares   13,586    
Issuance of common stock upon exercise of warrants 24,300 $ 5 24,295  
Issuance of common stock upon exercise of warrants, shares   50,000    
Issuance of common stock 4 $ 4    
Issuance of common stock, shares   42,016    
Stock-based compensation expense 557,223   557,223  
Net and comprehensive loss (4,407,935)     (4,407,935)
Balance at Jun. 30, 2021 $ 35,215,946 $ 4,747 $ 190,611,718 $ (155,400,519)
Balance, Shares at Jun. 30, 2021   47,477,084