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Contract Liabilities - Activity (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018
Activity of the current and noncurrent deferred franchise revenue |  |
Balance at beginning of period | $ 10,177,300 | $ 10,310,200
Franchise and software license fees collected from franchisees, excluding amount earned as revenue during the period | 1,203,500 | 1,749,100
Fees earned that were included in the balance at the beginning of the period | (1,805,300) | (1,882,000)
Balance at end of period | $ 9,575,500 | $ 10,177,300

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