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Receivables: (Tables) | 12 Months Ended
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Dec. 29, 2012
Receivables: |
Schedule of the Company's current receivables |
|  | December 29, 2012 |  | December 31, 2011 |
Trade |  | $ | 20,800 |  | $ | 55,100 |
Royalty |  | 1,074,600 |  | 989,300 |
Notes receivable |  | — |  | 3,500 |
Other |  | 141,700 |  | 268,300 |
|  | $ | 1,237,100 |  | $ | 1,316,200 |
Schedule of activity in the allowance for doubtful accounts for trade and notes receivables |
|  | December 29, 2012 |  | December 31, 2011 |
Balance at beginning of year |  | $ | 15,100 |  | $ | 17,400 |
Provisions charged to expense |  | 2,900 |  | (2,200 | )
Deductions for amounts written-off |  | (700 | ) | (100 | )
Balance at end of year |  | $ | 17,300 |  | $ | 15,100 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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- Definition Tabular disclosure of credit losses for current financing receivables (such as trade and accounts receivable), including a rollforward of the balance. An alternative caption includes allowance for doubtful accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524 + Details
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