Quarterly report pursuant to Section 13 or 15(d)

Borrowing Arrangements - Additional Information (Detail)

v3.22.2.2
Borrowing Arrangements - Additional Information (Detail) - USD ($)
 1 Months Ended 9 Months Ended
May 31, 2020
Feb. 27, 2018
Apr. 04, 2022
Sep. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]          
Long-term debt, carrying value       $ 35,900,000 $ 35,500,000
Perceptive          
Debt Instrument [Line Items]          
Credit Facility, interest expense       4,900,000  
Exit fees and prepayment penalties       100,000  
Loss on extinguishment of debt       $ 1,200,000  
K2 Loan and Security Agreement          
Debt Instrument [Line Items]          
Maximum borrowing capacity under loan $ 45,000,000.0        
Loan and security agreement $ 35,000,000.0        
Loan and security agreement, lapsed amount         10,000,000.0
Interest rate       8.45%  
Amendment fee     $ 300,000    
Debt net       $ 2,800,000  
Debt instrument, covenant compliance       The Company was in compliance with the debt covenants at September 30, 2022.  
Total debt       $ 35,000,000 $ 35,000,000.0
Long-term debt, carrying value       35,940,000  
K2 Loan and Security Agreement | Loan Facility Tranche Two          
Debt Instrument [Line Items]          
Additionally incurred prepaid facilities fee       $ 200,000  
K2 Loan and Security Agreement | Prime Rate          
Debt Instrument [Line Items]          
Interest rate       5.20%  
Term Loan Facility | Perceptive          
Debt Instrument [Line Items]          
Maximum borrowing capacity under loan   $ 10,000,000.0      
Increase in applicable margin percentage on event of default   4.00%      
Period for which interest only payments will be made   24 months      
Credit Facility, principal payments   $ 200,000      
Deferred finance costs   500,000      
Debt issuance cost, net of discount   $ 1,500,000      
Number of shares issued for each warrant   190,000      
Warrant exercisable period   7 years      
Warrant exercise price   $ 9.5972      
Fair value of the warrant recorded as a debt discount   $ 1,500,000      
Term Loan Facility | Perceptive | LIBOR          
Debt Instrument [Line Items]          
Applicable margin percentage   11.00%      
Term Loan Facility | Perceptive | Term Loan Drawn on Effective Date of Credit Facility          
Debt Instrument [Line Items]          
Proceeds from initial term loan on closing date of Credit Facility   $ 5,000,000.0      
Term Loan Facility | Perceptive | Additional Term Loan Drawn Six Months Following Effective Date of Credit Facility          
Debt Instrument [Line Items]          
Remaining available amount from credit facility did not draw down   $ 5,000,000.0