Annual report pursuant to Section 13 and 15(d)

Components of Accrued Liabilities (Detail)

v3.20.1
Components of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Payables And Accruals [Abstract]      
Payroll and benefits $ 1,726 $ 2,400  
Warranty accrual, current portion 865 861 $ 1,120
Taxes 242 714  
Accrued professional services 330 1,044  
Accrued insurance premium 546 328  
Patent litigation settlement   1,500  
Lease liability 323    
Other 712 691  
Accrued liabilities $ 4,744 $ 7,538