Schedule of Property Plant and Equipment (Details) - USD ($)	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 19,081,616	$ 20,023,626
Accumulated depreciation and amortization	(17,454,686)	(18,550,285)
Property, plant and equipment, net	$ 1,626,930	1,473,341
Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	10 years
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 15,031,726	16,344,040
Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,574,103	3,577,809
Useful Life, description	Life of the lease
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Property, plant and equipment, gross	$ 101,777	101,777
Asset under Construction [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 374,010

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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