Investment in Leasing Operations: (Details 3) (USD $)	Jun. 29, 2013	Dec. 29, 2012
Direct Financing and Sales-Type Leases, Minimum Lease Payments Receivable
2013	$ 11,448,000
2014	17,751,900
2015	8,368,400
2016	1,306,300
2017	1,900
Total	38,876,500	33,094,100
Direct Financing and Sales-Type Leases, Income Amortization
2013	2,816,500
2014	2,532,000
2015	574,300
2016	20,400
2017	100
Total	5,943,300
Operating Leases, Minimum Lease Payments Receivable
2013	715,200
2014	332,000
2015	49,900
Total	$ 1,097,100

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=6952072&loc=d3e45377-112738

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph a(i)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.