Quarterly report pursuant to Section 13 or 15(d)

14. Accrued liabilities (Tables)

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14. Accrued liabilities (Tables)
3 Months Ended
Mar. 31, 2018
Payables and Accruals [Abstract]  
Schedule of accrued liabilities
    March 31,
2018
    December 30,
2017
 
Sales tax estimates, including interest   $ 4,350     $ 4,563  
Compensation and benefits     382       1,061  
Deferred revenue           300  
Accrued incentive and rebate checks     247       285  
Accrued rent           77  
Accrued interest           115  
Accrued payables           129  
Other     5       31  
    $ 4,984     $ 6,561