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Significant Accounting Policies: (Details) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 29, 2012 item | Dec. 31, 2011 | Dec. 25, 2010
Receivables |  |  |
Allowance for doubtful accounts | $ 17,300 | $ 15,100 | $ 17,400
Leasing Income Recognition |  |  |
Threshold delinquent period of lease rentals to classify lease as non-accrual | 90 days |  |
Minimum monthly payments owed to classify lease as non-accrual | 3 |  |
Allowance for Credit Losses |  |  |
Delinquent period for charging-off against allowance for credit losses | 121 days |  |
Rents Received in Advance |  |  |
Number of advance payments to be applied to the customer's last payment | 1 |  |
Number of advance payments to be applied to the customer's last two payments | 2 |  |
Number of rent payments covered by two advance payments | 2 |  |
Canada |  |  |
Cash equivalents |  |  |
Cash located in banks | $ 107,400 | $ 227,000 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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