Federal and State Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Income Tax Disclosure [Abstract]
Federal income tax (benefit) at statutory rate of 21%	$ (1,167)	$ (2,160)
State income tax, net of federal income tax effect	20	(90)
Change of effective federal and state tax rate		3,927
Nondeductible expenses	213	14
Research and development credit		(68)
Stock Compensation		344
Foreign Tax credit	19
Prior year adjustments and true-ups	169	(141)
Change in valuation allowance	856	8,261
Total tax expense	$ 110	$ 10,087