Summary of Significant Accounting Policies Components of Accumulated Other Comprehensive Income (Details) - USD ($)	12 Months Ended
Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 3,564,779	$ 1,570,971	$ 771,774
Changes during year	(2,010,192)	1,993,808	799,197
Ending balance	1,554,587	3,564,779	1,570,971
Reclassifications of gain (loss) in net loss
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(54,660)	(48,284)	0
Changes during year, reclassifications	49,525	(6,376)	(48,284)
Ending balance	(5,135)	(54,660)	(48,284)
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	3,231,706	1,380,042	566,025
Changes during year, before reclassifications	(1,794,768)	1,851,664	814,017
Ending balance	1,436,938	3,231,706	1,380,042
Unrealized holding (loss) gain on marketable securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	387,733	239,213	205,749
Changes during year, before reclassifications	(264,949)	148,520	33,464
Ending balance	$ 122,784	$ 387,733	$ 239,213

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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