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Note 3 - Related Party Transactions (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Related Party Transactions [Table Text Block] |
|  | Three months ended |  |  | Six months ended |
|  | June 30, 2022 |  |  | June 30, 2021 |  |  | June 30, 2022 |  |  | June 30, 2021 |
Franchisee royalties |  | $ | 2,181 |  |  | $ | 1,164 |  |  | $ | 4,265 |  |  | $ | 2,777 |
|  | June 30, 2022 |  |  | December 31, 2021 |
Due to franchisee |  | $ | 2,118 |  |  | $ | 535 |
Risk management incentive program liability |  |  | 593 |  |  |  | 703 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration