Investment in Leasing Operations: Minimum Lease Payments Receivable (Details) - USD ($)	Sep. 29, 2018	Dec. 30, 2017
Direct Financing and Sales-Type Leases, Minimum Lease Payments Receivable
2018	$ 6,522,300
2019	23,754,600
2020	9,623,900
2021	1,742,200
2022	13,700
Thereafter	12,400
Total	41,669,100	$ 36,119,700
Direct Financing and Sales-Type Leases, Income Amortization
2018	1,832,900
2019	4,580,700
2020	752,700
2021	54,000
2022	1,300
Thereafter	600
Total	7,222,200
Operating Leases, Minimum Lease Payments Receivable
2018	42,100
2019	76,900
Total	$ 119,000

Amount of minimum lease payments to be received by the lessor for capital leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738

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Amount of minimum lease payments to be received by the lessor for capital leases after the fifth fiscal year following the 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 minimum lease payments to be received by the lessor for capital leases in the fifth fiscal year following the 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 minimum lease payments to be received by the lessor for capital leases in the fourth fiscal year following the 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 minimum lease payments to be received by the lessor for capital leases in the third fiscal year following the 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 minimum lease payments to be received by the lessor for capital leases in the second fiscal year following the 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 minimum lease payments to be received by the lessor for capital leases in the remainder of the fiscal year following the 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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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Amount of required minimum rental payments receivable in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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

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

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

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