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Receivables: | 12 Months Ended
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Dec. 26, 2015
Receivables: |
Receivables: | 5.Receivables: The Company’s current receivables consisted of the following:
|  | December 26, 2015 |  | December 27, 2014 |
Trade |  | $ | 7,600 |  | $ | 18,000 |
Royalty |  | 1,242,800 |  | 1,198,000 |
Other |  | 166,500 |  | 112,200 |
|  | $ | 1,416,900 |  | $ | 1,328,200 |
The activity in the allowance for doubtful accounts for trade receivables is as follows:
|  | December 26, 2015 |  | December 27, 2014 |  | December 28, 2013 |
Balance at beginning of year |  | $ | 1,600 |  | $ | 4,300 |  | $ | 17,300 |
Provisions charged to expense |  | 1,500 |  | (200 | ) | (3,800 | )
Deductions for amounts written-off |  | (2,900 | ) | (2,500 | ) | (9,200 | )
Balance at end of year |  | $ | 200 |  | $ | 1,600 |  | $ | 4,300 |
As part of its normal operating procedures, the Company requires Standby Letters of Credit as collateral for a portion of its trade receivables.

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- Definition The entire disclosure for financing receivables. Examples of financing receivables include, but are not limited to, loans, trade accounts receivables, notes receivable, credit cards, and receivables relating to a lessor's right(s) to payment(s) from a lease other than an operating lease that is recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=32702940&loc=SL6953791-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e4975-111524 + Details
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