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Balance Sheet Details - Other Long-Term Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 28, 2019
Dec. 29, 2018
Other Long Term Liabilities [Line Items]    
Deferred rent   $ 2,270
Accrued product warranties $ 176 158
Accrued income taxes 10 10
Total other long-term liabilities $ 186 $ 2,438