Quarterly report pursuant to Section 13 or 15(d)

12. Deposits and other assets (Details)

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12. Deposits and other assets (Details) - USD ($)
$ in Thousands
Jun. 29, 2019
Dec. 29, 2018
Assets, Noncurrent [Abstract]    
Deposits $ 191 $ 561
Other 90 100
Total other assets $ 281 $ 661