v3.20.1
Income Taxes - Reconciliation of Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Income tax at U.S. federal statutory rate $ (3,475) $ (2,273)
State taxes, net of federal benefit 1 2
Non-deductible expenses 908 1,190
Foreign income tax rate differential 37 (73)
Valuation allowance 2,013 194
Other 517 1,181
Total provision for income taxes $ 1 $ 221