Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands		Jan. 03, 2020	Dec. 28, 2018
Other Liabilities Disclosure [Abstract]
Accrued salaries and wages		$ 4,400	$ 3,172
Accrued bonuses		4,184	5,113
Accrued insurance		1,346	1,061
Income taxes payable		2,710	1,105
Accrued consumption tax		1,164	995
Other	[1]	3,893	1,985
Total other current liabilities		$ 17,697	$ 13,431

[1] No individual item in “Other” exceeds 5% of the other current liabilities