Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (8,813)	$ (12,813)
Change in foreign currency translation adjustments	10	70
Comprehensive loss	$ (8,803)	$ (12,743)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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