3. Noncompetition Agreements (Details Narrative) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Compensation Related Costs [Abstract]
Noncompetition payment payable year one	$ 845
Noncompetition payment payable year two	845
Accrued Noncompetition Payments	$ 1,600	$ 1,900

Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.

Name:	us-gaap_OtherCommitmentDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant