Accounting Policies and New Accounting Pronouncements (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Accounts receivable	$ 11,435	$ 10,211
Goodwill impairment		2,086
Right of use assets, value	2,133
Lease Liabilities	$ 2,181
Accounting Standards Update 2016-02 [Member]
Right of use assets, value		1,300
Lease Liabilities		$ 1,300
Customer Concentration Risk [Member] | Two Customers [Member]
Concentration risk, percentage	10.00%
Customer Concentration Risk [Member] | Customers One [Member] | Operating Revenues [Member]
Concentration risk, percentage	23.30%	20.10%
Customer Concentration Risk [Member] | Customers One [Member] | Accounts Receivable [Member]
Accounts receivable	$ 200	$ 1,300
Customer Concentration Risk [Member] | Customers Two [Member] | Operating Revenues [Member]
Concentration risk, percentage	18.30%	14.70%
Customer Concentration Risk [Member] | Customers Two [Member] | Accounts Receivable [Member]
Accounts receivable	$ 700	$ 600
Customer Concentration Risk [Member] | Three Customers [Member]
Concentration risk, percentage		10.00%
Customer Concentration Risk [Member] | Customers Three [Member] | Operating Revenues [Member]
Concentration risk, percentage		10.10%
Customer Concentration Risk [Member] | Customers Three [Member] | Accounts Receivable [Member]
Accounts receivable		$ 1,300
Foreign Banks [Member]
Cash	$ 2