Annual report pursuant to Section 13 and 15(d)

Merger with NHIC (Details)

v3.22.1
Merger with NHIC (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jul. 16, 2021
USD ($)
shares
Aug. 04, 2020
shares
Mar. 31, 2020
USD ($)
Feb. 29, 2020
USD ($)
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Business Acquisition [Line Items]            
Common Stock, Par or Stated Value Per Share | $ / shares         $ 0.0001 $ 0.0001
Number Of Shares Issued For Each Unit Of Common Stock   1        
Number of warrants issued for each unit   0.5        
Issuance of common stock in connection with the closing of the Merger (in shares)         10,391,513  
Earn-out shares issuable upon achieving certain milestones         15,000,000  
Common Stock Issuable Upon Conversion of Temporary Equity           80,833,007
Shares cancelled         198,035  
Number of stock options outstanding         20,769,130 18,770,767
Gross proceeds received from Merger | $         $ 84,945  
Common stock, issued         142,745,021 9,846,830
Common stock, outstanding         142,745,021 9,846,830
Warrants to purchase shares of common stock         16,877,907 1,937,260
Payments of Stock Issuance Costs | $         $ 34,132  
NewHold Investment Corp            
Business Acquisition [Line Items]            
Goodwill | $ $ 0          
Number of shares 94,192,534          
Exchange ratio 0.378          
Shares cancelled 57,938,375          
Number of stock options outstanding 21,891,254          
Gross proceeds received from Merger | $ $ 84,900          
Percentage owned by shareholders 92.70%          
Payments of financing costs | $         36,100  
Payments of Stock Issuance Costs | $         $ 700  
NewHold Investment Corp | New Hold Investment Corporation, Inc            
Business Acquisition [Line Items]            
Ownership percentage 7.30%          
Subscription Agreements            
Business Acquisition [Line Items]            
Earn-out shares issuable upon achieving certain milestones         15,000,000  
Received gross proceeds from PIPE investment | $ $ 300,000          
Series A-1 Preferred Stock            
Business Acquisition [Line Items]            
Common Stock Issuable Upon Conversion of Temporary Equity 24,359,107         24,359,107
Conversion ratio 1          
Series A Preferred Stock            
Business Acquisition [Line Items]            
Common Stock Issuable Upon Conversion of Temporary Equity 3,484,240         6,977,190
Conversion ratio 2       2  
Series B-1 Preferred Stock            
Business Acquisition [Line Items]            
Common Stock Issuable Upon Conversion of Temporary Equity 34,129,398         34,129,398
Conversion ratio 1          
Payments of Stock Issuance Costs | $     $ 100 $ 100    
Series B Preferred Stock            
Business Acquisition [Line Items]            
Common Stock Issuable Upon Conversion of Temporary Equity 15,367,312         15,367,312
Conversion ratio 1       1