Amount of cost for defined contribution plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Maximum amount the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Employee Benefit Plan (Details Narrative) - USD ($)	12 Months Ended
Employee Benefit Plan (Details Narrative) - USD ($)	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Multiemployer Plan [Line Items]
Employer matching percentage	50.00%
Maximum amount of employee contribution	6.00%
Amount charged to operations	$ 300,000	$ 300,000	$ 300,000
Under Age of Fifty Member
Multiemployer Plan [Line Items]
Maximum amount of annual compensation	19,500
Over Age of Fifty Member
Multiemployer Plan [Line Items]
Maximum amount of annual compensation	$ 26,000