Quarterly report pursuant to Section 13 or 15(d)

8. Accrued Expenses (Details)

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8. Accrued Expenses (Details) - USD ($)
$ in Thousands
Jul. 02, 2016
Apr. 02, 2016
Jan. 02, 2016
Jul. 04, 2015
Apr. 04, 2015
Jan. 03, 2015
Payables and Accruals [Abstract]            
Sales tax estimates, including interest $ 4,147   $ 4,804      
Compensation and benefits 2,083   1,446      
Accrued incentive and rebate checks 274   293      
Accrued rent 188   235      
Warranty expense 33 $ 39 42 $ 33 $ 28 $ 30
Accrued payables 258   749      
Deferred revenue 386   413      
Other 872   952      
Accrued expenses, current $ 8,241   $ 8,934