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Long-term debt and warrant – related party - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jun. 05, 2020
Jun. 30, 2022
Common Stock    
Long Term Debt And Warrant Liability [Line Items]    
Exercise price per share (in dollars per share)   $ 8.86
Maximum | Common Stock    
Long Term Debt And Warrant Liability [Line Items]    
Warrant issued to purchase shares (in shares)   338,784
Term Loan | Common Stock    
Long Term Debt And Warrant Liability [Line Items]    
Exercise price per share (in dollars per share)   $ 8.86
Term Loan | Maximum | Common Stock    
Long Term Debt And Warrant Liability [Line Items]    
Warrant issued to purchase shares (in shares)   338,784
Credit Agreement with Perceptive Life Sciences Master Fund LTD | Term Loan    
Long Term Debt And Warrant Liability [Line Items]    
Aggregate principal borrowing amount $ 20.0  
Floor interest rate   1.75%
Interest at variable rate   11.25%
Percentage of principal payments until maturity 2.00%  
Maturity date Jun. 05, 2024  
Prepayment fee   $ 1.9
Credit Agreement with Perceptive Life Sciences Master Fund LTD | Term Loan | LIBOR    
Long Term Debt And Warrant Liability [Line Items]    
Applicable margin rate   9.50%
Credit Agreement with Perceptive Life Sciences Master Fund LTD | Term Loan | Minimum    
Long Term Debt And Warrant Liability [Line Items]    
Balance to be maintained in bank account while debt is outstanding $ 3.0  
Credit Agreement with Perceptive Life Sciences Master Fund LTD | Term Loan | Tranche one    
Long Term Debt And Warrant Liability [Line Items]    
Aggregate principal borrowing amount 12.5  
Amount withdrawn   $ 12.5
Credit Agreement with Perceptive Life Sciences Master Fund LTD | Term Loan | Tranche two    
Long Term Debt And Warrant Liability [Line Items]    
Aggregate principal borrowing amount $ 7.5