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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
Total
Adjustment
Preferred stock
Common stock
Additional paid-in capital
Additional paid-in capital
Adjustment
Accumulated deficit
Accumulated deficit
Adjustment
Accumulated other comprehensive loss
Beginning balance (in shares) at Dec. 31, 2021     9 217,382,887          
Beginning balance at Dec. 31, 2021 $ 399,669,421 $ (1,468,216) $ 0 $ 217,382 $ 1,609,589,797 $ (3,294,019) $ (1,209,855,522) $ 1,825,803 $ (282,236)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Issuance of common stock for legal settlement and cash, net of financing costs (in shares)       8,480,483          
Issuance of common stock for legal settlement and cash, net of financing costs 29,364,538     $ 8,481 29,356,057        
Exercise of stock options for cash and vesting of RSUs, net of tax payments (in shares)       647,350          
Exercise of stock options for cash and vesting of RSUs, net of tax payments (942,521)     $ 646 (943,167)        
Stock-based compensation 7,711,151       7,711,151        
Net loss (79,073,719)           (79,073,719)    
Unrealized loss on short-term investments, net of tax (169,097)               (169,097)
Foreign currency translation (6,555)               (6,555)
Ending balance at Mar. 31, 2022 355,085,002   $ 0 $ 226,509 1,642,419,819   (1,287,103,438)   (457,888)
Ending balance (in shares) at Mar. 31, 2022     9 226,510,720          
Beginning balance (in shares) at Dec. 31, 2022     9 253,091,319          
Beginning balance at Dec. 31, 2022 222,362,756   $ 0 $ 253,090 1,710,656,191   (1,487,847,784)   (698,741)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Issuance of common stock for legal settlement and cash, net of financing costs (in shares)       9,121,000          
Issuance of common stock for legal settlement and cash, net of financing costs 14,000,000     $ 9,121 13,990,879        
Exercise of stock options for cash and vesting of RSUs, net of tax payments (in shares)       526,807          
Exercise of stock options for cash and vesting of RSUs, net of tax payments (424,704)     $ 527 (425,231)        
Stock-based compensation 3,809,003       3,809,003        
Net loss (40,649,317)           (40,649,317)    
Unrealized loss on short-term investments, net of tax 117,862               117,862
Foreign currency translation (1,918)               (1,918)
Ending balance at Mar. 31, 2023 $ 199,213,682   $ 0 $ 262,738 $ 1,728,030,842   $ (1,528,497,101)   $ (582,797)
Ending balance (in shares) at Mar. 31, 2023     9 262,739,126