Investment in Leasing Operations: Minimum Lease Payments Receivable (Details) - USD ($)	Jun. 27, 2020	Dec. 28, 2019
Direct Financing and Sales-Type Leases, Minimum Lease Payments Receivable
2020	$ 7,994,800
2021	10,202,700
2022	2,546,000
2023	59,900
2024	15,200
Thereafter	13,500
Total	20,832,100	$ 26,001,200
Direct Financing and Sales-Type Leases, Income Amortization
2020	1,205,600
2021	1,017,800
2022	122,000
2023	3,100
2024	1,600
Thereafter	700
Total	$ 2,350,800

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919391-209981

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fourth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in remainder of the fiscal year following latest fiscal year. Excludes interim and annual period when interim periods are reported on a rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919391-209981

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in second fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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- Definition

The aggregated amount of amortization of unearned lease income, net of initial direct costs deferred, related to net investment in sales-type and direct financing leases expected to be recognized by the entity.

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Amount of amortization of unearned lease income, net of initial direct costs deferred, related to net investment in sales-type and direct financing leases expected to be recognized in the fifth fiscal year following the latest fiscal year.

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