Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Accrued Expenses And Other Current Liabilities - Summary of Accrued Liabilities And Other Payable (Detail)

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Accrued Expenses And Other Current Liabilities - Summary of Accrued Liabilities And Other Payable (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accrued Liabilities and Other Liabilities [Abstract]    
Current maturities of loan $ 275 $ 246
Warranty provision 27 61
Accrued expenses 2,536 3,367
Other 16  
Total $ 2,854 $ 3,674