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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid In Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2019 $ 80,048 $ 3 $ 396,323 $ 1 $ (316,279)
Beginning balance, units at Dec. 31, 2019   3,218,884      
Equity-based compensation 11,629   11,629    
Sale of common stock, net of issuance costs 109,418 $ 2 109,416    
Sale of common stock, net of issuance costs, shares   2,042,263      
Issuance of common stock, to a related party, in connection with the Stock Purchase Agreement 19,282 $ 1 19,281    
Issuance of common stock, to a related party, in connection with the Stock Purchase Agreement, shares   521,719      
Vesting of restricted stock units   27,180      
Forfeiture of restricted stock awards units   (6,559)      
Unrealized loss on available-for-sale securities (1)     (1)  
Net loss (88,290)       (88,290)
Ending balance at Dec. 31, 2020 132,086 $ 6 536,649   (404,569)
Ending balance, units at Dec. 31, 2020   5,803,487      
Equity-based compensation 13,373   13,373    
Sale of common stock, net of issuance costs 134,878 $ 1 134,877    
Sale of common stock, net of issuance costs, shares   1,666,666      
Exercise of common stock options 41   41    
Exercise of common stock options, shares   775      
Issuance of ESPP shares 66   66    
Issuance of ESPP shares, shares   2,978      
Vesting of restricted stock units   27,946      
Forfeiture of restricted stock awards units   (1,947)      
Unrealized loss on available-for-sale securities (45)     (45)  
Net loss (72,188)       (72,188)
Ending balance at Dec. 31, 2021 208,211 $ 7 685,006 (45) (476,757)
Ending balance, units at Dec. 31, 2021   7,499,905      
Equity-based compensation 7,537   7,537    
Sale of common stock, net of issuance costs 72,551 $ 11 72,540    
Sale of common stock, net of issuance costs, shares   10,638,290      
Exercise of pre-funded warrants 22   22    
Issuance of ESPP shares 181 $ 1 180    
Issuance of ESPP shares, shares   29,130      
Vesting of restricted stock units   35,149      
Issuance of shares in connection with acquisition 9,168 $ 1 9,167    
Issuance of shares in connection with acquisition, shares   1,354,258      
Unrealized loss on available-for-sale securities (23)     (23)  
Net loss (85,981)       (85,981)
Ending balance at Dec. 31, 2022 $ 211,666 $ 20 $ 774,452 $ (68) $ (562,738)
Ending balance, units at Dec. 31, 2022   19,556,732