Investment in Leasing Operations: (Details 3) (USD $)	Mar. 29, 2014	Dec. 28, 2013
Direct Financing and Sales-Type Leases, Minimum Lease Payments Receivable
2014	$ 17,918,600
2015	15,189,200
2016	4,953,500
2017	184,000
Total	38,245,300	35,450,900
Direct Financing and Sales-Type Leases, Income Amortization
2014	4,101,800
2015	2,200,900
2016	396,500
2017	1,200
Total	6,700,400
Operating Leases, Minimum Lease Payments Receivable
2014	204,800
2015	76,800
Total	$ 281,600