Income Taxes (Details Narrative) - USD ($) $ in Thousands		12 Months Ended
	Dec. 22, 2017	Dec. 30, 2017	Dec. 31, 2016
Corporate income tax rate, percentage	35.00%
Reduce in corporate income tax rate, percentage	21.00%
Decrease in the federal and state valuation allowances	$ 155	$ 399
Federal tax expense, statutory tax rate		34.00%
Operating loss carry forwards expiration		begin to expire in 2033
Percentage of tax benefits likelihood		greater than 50 percent	greater than 50 percent
Accrued interest and penalties related to uncertain tax positions		$ 21	$ 2
Uncertain tax positions that would affect the effective tax rate		152
Federal [Member]
Net operating loss carryforwards		487
State [Member]
Net operating loss carryforwards		$ 1,289