Quarterly report pursuant to Section 13 or 15(d)

Borrowing Arrangements - Schedule of Required Future Principal Payments (Detail)

v3.20.2
Borrowing Arrangements - Schedule of Required Future Principal Payments (Detail) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Total Long-Term Debt, net $ 14,800 $ 3,700
K2 Loan and Security Agreement    
Debt Instrument [Line Items]    
2020 0  
2021 0  
2022 3,507  
2023 7,483  
2024 4,010  
Total Principal Amounts 15,000  
Final Fee Due at Maturity 839  
Unamortized discount, deferred costs and final fee (1,017)  
Total Long-Term Debt, net $ 14,822