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Contract Liabilities: (Tables) | 12 Months Ended
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Dec. 26, 2020
Contract Liabilities: |
Schedule of activity of current and noncurrent deferred franchise revenue | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 26, 2020 |  | December 28, 2019
Balance at beginning of period | ​ | $ | 9,575,500 | ​ | $ | 10,177,300
Franchise and software license fees collected from franchisees, excluding amount earned as revenue during the period | ​ |  | 860,100 | ​ |  | 1,203,500
Fees earned that were included in the balance at the beginning of the period | ​ |  | (1,727,300) | ​ |  | (1,805,300)
Balance at end of period | ​ | $ | 8,708,300 | ​ | $ | 9,575,500
Schedule of future estimated revenue to be recognized related to performance obligations | ​
​ | ​ | ​ | ​
Contract Liabilities expected to be recognized in | ​ | Amount
2021 | ​ | $ | 1,657,400
2022 | ​ |  | 1,512,500
2023 | ​ |  | 1,341,200
2024 | ​ |  | 1,143,500
2025 | ​ |  | 927,100
Thereafter | ​ |  | 2,126,600
​ | ​ | $ | 8,708,300

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 + Details
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