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Note Payable - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 24, 2022
Oct. 29, 2019
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Debt Instrument [Line Items]              
Interest expense     $ 1,501 $ 732 $ 2,413 $ 1,428  
Convertible Debt [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Face Amount $ 350,000,000            
Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, payment terms         For all advances outstanding under the New Credit Facility, the Company will make interest only payments through December 31, 2023, extendable to December 31, 2024 upon satisfaction of certain conditions (such applicable date, the “Amortization Date”). The principal balance and interest of the advances will be repaid in equal monthly installments after the Amortization Date and continuing through October 1, 2024, extendable to October 1, 2025, upon satisfaction of certain conditions (such applicable date, the “Maturity Date”).    
Repayments of Debt $ 2,900            
Additional advance prepayment or repayment percentage 1.75%            
Loan and Security Agreement [Member]              
Debt Instrument [Line Items]              
Interest expense     1,501 $ 732 $ 2,413 $ 1,453  
Loan and Security Agreement [Member] | Original Credit Facility [Member]              
Debt Instrument [Line Items]              
Percentage of prepayment amount during first year   2.00%          
Percentage of prepayment amount during second year   1.50%          
Percentage of prepayment amount during third year   1.00%          
Prepayment or repayment percentage   4.85%          
Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, interest rate         9.65%    
Loan and Security Agreement [Member] | New Credit Facility [Member] | Prime Rate [Member]              
Debt Instrument [Line Items]              
Debt instrument, variable rate         6.40%    
Loan and Security Agreement [Member] | Term Loan Facility [Member]              
Debt Instrument [Line Items]              
Carrying value of debt     50,632   $ 50,632   $ 24,643
Lenders [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount $ 100,000            
Hercules Capital, Inc. [Member] | Loan and Security Agreement [Member] | Original Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount   $ 50,000          
Debt Instrument Tranche Four [Member] | Lenders [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount 25,000            
Debt Instrument Tranche Five [Member] | Lenders [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount 25,000            
First Tranche [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount 25,000            
First Tranche [Member] | Loan and Security Agreement [Member] | Original Credit Facility [Member]              
Debt Instrument [Line Items]              
Carrying value of debt     $ 50,586   $ 50,586    
First Tranche [Member] | Lenders [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount 25,000            
First Tranche [Member] | Hercules Capital, Inc. [Member] | Loan and Security Agreement [Member] | Original Credit Facility [Member]              
Debt Instrument [Line Items]              
Gross proceeds from debt   25,000          
Second Tranche Unavailable to Borrow Due to Not Met Milestone Requirements [Member] | Lenders [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount 12,500            
Second Tranche Unavailable to Borrow Due to Not Met Milestone Requirements [Member] | Hercules Capital, Inc. [Member] | Loan and Security Agreement [Member] | Original Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount   12,500          
Third Tranche Available Upon Approval Until June 30, 2021 [Member] | Lenders [Member] | Second Amendment to Loan and Security Agreement [Member] | New Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount $ 12,500            
Third Tranche Available Upon Approval Until June 30, 2021 [Member] | Hercules Capital, Inc. [Member] | Loan and Security Agreement [Member] | Original Credit Facility [Member]              
Debt Instrument [Line Items]              
Credit facility, aggregate principal amount   $ 12,500