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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Expense
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020   19,714,220      
Beginning balance at Dec. 31, 2020 $ 292,084 $ 0 $ 363,292 $ 6 $ (71,214)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock, net, (in shares)   2,489,837      
Issuance of common stock, net 152,033   152,033    
Stock-based compensation expense 2,350   2,350    
Unrealized loss on investments and other (3)     (3)  
Net loss (15,812)       (15,812)
Ending balance (in shares) at Mar. 31, 2021   22,204,057      
Ending balance at Mar. 31, 2021 430,652 $ 0 517,675 3 (87,026)
Beginning balance (in shares) at Dec. 31, 2021   25,207,985      
Beginning balance at Dec. 31, 2021 593,576 $ 0 734,523 (163) (140,784)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock, net, (in shares)   1,475      
Issuance of common stock, net 55   55    
Restricted stock surrendered for taxes (in shares)   (10,379)      
Restricted stock surrendered for taxes (649)   (649)    
Stock-based compensation expense 6,571   6,571    
Unrealized loss on investments and other (1,034)     (1,034)  
Net loss (49,965)       (49,965)
Ending balance (in shares) at Mar. 31, 2022   25,199,081      
Ending balance at Mar. 31, 2022 $ 548,554 $ 0 $ 740,500 $ (1,197) $ (190,749)