XML 18 R6.htm IDEA: XBRL DOCUMENT v3.21.2
Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($)
Total
Common Shares
Accumulated Deficit
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2019 $ 226,686,281 $ 38,461 $ (372,556,846) $ 599,097,090 $ 107,576
Balance, Shares at Dec. 31, 2019   38,461,353      
Stock-based compensation 13,874,670     13,874,670  
Net loss (46,965,710)   (46,965,710)    
Restricted stock vesting   $ 213   (213)  
Restricted stock vesting, Shares   212,909      
Exercise of stock options 2,629,635 $ 151   2,629,484  
Exercise of stock options, Shares   150,928      
Unrealized gain (loss) on available-for-sale securities 1,556,548       1,556,548
Balance at Jun. 30, 2020 197,781,424 $ 38,825 (419,522,556) 615,601,031 1,664,124
Balance, Shares at Jun. 30, 2020   38,825,190      
Balance at Mar. 31, 2020 211,707,113 $ 38,672 (394,296,017) 606,567,072 (602,614)
Balance, Shares at Mar. 31, 2020   38,672,433      
Stock-based compensation 7,754,959     7,754,959  
Net loss (25,226,539)   (25,226,539)    
Restricted stock vesting   $ 84   (84)  
Restricted stock vesting, Shares   84,177      
Exercise of stock options 1,279,153 $ 69   1,279,084  
Exercise of stock options, Shares   68,580      
Unrealized gain (loss) on available-for-sale securities 2,266,738       2,266,738
Balance at Jun. 30, 2020 197,781,424 $ 38,825 (419,522,556) 615,601,031 1,664,124
Balance, Shares at Jun. 30, 2020   38,825,190      
Balance at Dec. 31, 2020 642,257,512 $ 48,455 (491,888,910) 1,133,537,171 560,796
Balance, Shares at Dec. 31, 2020   48,455,741      
Stock-based compensation 24,895,874     24,895,874  
Net loss (91,252,853)   (91,252,853)    
Restricted stock vesting   $ 125   (125)  
Restricted stock vesting, Shares   125,028      
Exercise of stock options 8,093,981 $ 415   8,093,566  
Exercise of stock options, Shares   414,100      
Unrealized gain (loss) on available-for-sale securities (1,047,340)       (1,047,340)
Balance at Jun. 30, 2021 582,947,174 $ 48,995 (583,141,763) 1,166,526,486 (486,544)
Balance, Shares at Jun. 30, 2021   48,994,869      
Balance at Mar. 31, 2021 615,298,020 $ 48,786 (532,853,201) 1,148,345,190 (242,755)
Balance, Shares at Mar. 31, 2021   48,785,692      
Stock-based compensation 14,568,216     14,568,216  
Net loss (50,288,562)   (50,288,562)    
Restricted stock vesting   $ 58   (58)  
Restricted stock vesting, Shares   58,407      
Exercise of stock options 3,613,289 $ 151   3,613,138  
Exercise of stock options, Shares   150,770      
Unrealized gain (loss) on available-for-sale securities (243,789)       (243,789)
Balance at Jun. 30, 2021 $ 582,947,174 $ 48,995 $ (583,141,763) $ 1,166,526,486 $ (486,544)
Balance, Shares at Jun. 30, 2021   48,994,869