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Investment in Leasing Operations: Summary of Leasing Operations (Details) - USD ($) | Sep. 26, 2020 | Dec. 28, 2019
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Direct financing and sales-type leases: |  |
Minimum lease payments receivable | $ 16,854,200 | $ 26,001,200
Estimated unguaranteed residual value of equipment | 2,992,600 | 4,109,800
Unearned lease income net of initial direct costs deferred | (1,823,600) | (4,039,400)
Security deposits | (2,637,800) | (3,852,000)
Equipment installed on leases not yet commenced | 660,300 | 3,437,800
Total investment in direct financing and sales-type leases | 16,045,700 | 25,657,400
Allowance for credit losses | (583,600) | (580,600)
Net investment in direct financing and sales-type leases | 15,462,100 | 25,076,800
Operating leases: |  |
Operating lease assets | 707,100 | 820,700
Less accumulated depreciation and amortization | (564,200) | (591,900)
Net investment in operating leases | 142,900 | 228,800
Total net investment in leasing operations | 15,605,000 | 25,305,600
Net investment in leases - current | 10,514,200 | 12,800,100
Net investment in leases - long-term | $ 5,090,800 | $ 12,505,500

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- Definition Amount of net investment in sales-type and direct financing lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121561866&loc=SL77919306-209978 + Details
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- Definition 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=121576215&loc=SL77919391-209981 + Details
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- Definition For direct financing and sales-type leases, the amount of payments to be received that are probable of not being collected, as of the balance sheet date. + References No definition available. + Details
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- Definition The net investment in direct financing and sales type leases which have not yet commenced but for which equipment has already been installed, as of the balance sheet date. + References No definition available. + Details
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- Definition The amount of security deposits received against the direct financing and sales-type leases, as of the balance sheet date. + References No definition available. + Details
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- Definition The lessor's asset under sales type and direct financing leases. The investment in direct financing and sales-type leases, as of the balance sheet date, consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) estimated executory costs, (ii) unearned income, but before deducting the accumulated allowance for uncollectible minimum lease payments. + References No definition available. + Details
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- Definition Noncurrent portion of the net investment in direct financing, sales-type and operating leases, as of the balance sheet date. + References No definition available. + Details
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