Investment in Leasing Operations: Minimum Lease Payments Receivable (Details)	Sep. 28, 2019 USD ($)
Direct Financing and Sales-Type Leases, Minimum Lease Payments Receivable
2019	$ 5,214,200
2020	17,273,500
2021	7,999,300
2022	876,300
2023	8,100
Thereafter	4,400
Total	31,375,800
Direct Financing and Sales-Type Leases, Income Amortization
2019	1,291,400
2020	2,782,500
2021	661,400
2022	29,100
2023	500
Thereafter	100
Total	$ 4,765,000