Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Current tax provision:
U.S. federal	$ 0	$ 0	$ 0
State	13,000	10,000	12,000
Foreign	2,446,000	1,220,000	378,000
Total current provision	2,459,000	1,230,000	390,000
Deferred tax provision (benefit):
U.S. federal	(3,003,000)		(546,000)
State	(373,000)
Foreign	(105,000)	441,000	(1,000)
Total deferred provision (benefit)	(3,481,000)	441,000	(547,000)
Provision (benefit) for income taxes	$ (1,022,000)	$ 1,671,000	$ (157,000)