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Schedule of Contractual Maturity (Details) - USD ($)	Dec. 25, 2021	Dec. 26, 2020
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Less than One year	$ 1,000,650
One to Five years	1,506,885
Debt Securities, Available-for-sale	2,507,535	$ 3,635,681
US Government Agencies Debt Securities [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Less than One year	1,000,650
One to Five years
Debt Securities, Available-for-sale	1,000,650
Corporate Debt Securities [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Less than One year
One to Five years	1,506,885
Debt Securities, Available-for-sale	$ 1,506,885

X

- Definition

Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth 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).

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+ References

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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No definition available.

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