Annual report pursuant to Section 13 and 15(d)

Commitments - Schedule of Undiscounted Cash Flows for Operating Lease Liabilities Recorded in Condensed Balance Sheet (Detail)

v3.20.1
Commitments - Schedule of Undiscounted Cash Flows for Operating Lease Liabilities Recorded in Condensed Balance Sheet (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Commitments And Contingencies Disclosure [Abstract]    
Total lease payments $ 351  
Present value adjustment (13)  
Lease liabilities $ 338 $ 700