Schedule of Accumulated Other Comprehensive Income (Details) - USD ($)	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Beginning balance	$ 1,757,184	$ 1,554,587	$ 3,564,779
Changes during year	(272,750)	202,597	(2,010,192)
Ending balance	1,484,434	1,757,184	1,554,587
Reclassification out of Accumulated Other Comprehensive Income [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Beginning balance	(42,491)	(5,135)	(54,660)
Changes during year, reclassifications	(21,028)	(37,356)	49,525
Ending balance	(63,519)	(42,491)	(5,135)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Beginning balance	1,230,358	1,436,938	3,231,706
Changes during year, before reclassifications	(67,852)	(206,580)	(1,794,768)
Ending balance	1,162,506	1,230,358	1,436,938
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Beginning balance	569,317	122,784	387,733
Changes during year, before reclassifications	(183,870)	446,533	(264,949)
Ending balance	$ 385,447	$ 569,317	$ 122,784

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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