Investment in Leasing Operations: Investment Aging (Details) - USD ($)	Jun. 27, 2020	Dec. 28, 2019
Investment in leasing operations
0-60 Days Delinquent and Accruing	$ 19,695,600	$ 25,657,400
Total investment in direct financing and sales-type leases	19,695,600	25,657,400
Middle-Market
Investment in leasing operations
0-60 Days Delinquent and Accruing	18,722,100	24,546,300
Total investment in direct financing and sales-type leases	18,722,100	24,546,300
Small-Ticket
Investment in leasing operations
0-60 Days Delinquent and Accruing	973,500	1,111,100
Total investment in direct financing and sales-type leases	$ 973,500	$ 1,111,100