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Schedule of Fair Value Measurements of Financial Assets (Details) - USD ($)	Dec. 26, 2020	Dec. 28, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	$ 25,272,075	$ 26,319,403
Fair Value, Inputs, Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	17,406,760	6,415,958
Fair Value, Inputs, Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	3,635,681	15,752,997
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	4,229,634	4,150,448
Cash and Cash Equivalents [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	17,112,869	6,029,247
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	17,112,869	6,029,247
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
U.S. Government and Agency Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	1,023,120	8,296,870
U.S. Government and Agency Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
U.S. Government and Agency Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	1,023,120	8,296,870
U.S. Government and Agency Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
Corporate Debt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	2,612,561	7,456,127
Corporate Debt [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
Corporate Debt [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	2,612,561	7,456,127
Corporate Debt [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
Equity Investments [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	4,523,525	4,537,159
Equity Investments [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	293,891	386,711
Equity Investments [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value
Equity Investments [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financial instruments, owned, at fair value	$ 4,229,634	$ 4,150,448

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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.

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- Definition

The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

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