Revenue recognition - Changes in Deferred License Revenue and Deferred Gift Card Revenue (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2023 |
Dec. 31, 2022 |
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| Deferred license revenue | ||
| Revenue recognized | $ 79 | $ 79 |
| Deferred gift card revenue | ||
| Revenue recognized | 1,325 | 1,295 |
| Advanced party deposits | ||
| Revenue recognized | $ 279 | $ 248 |
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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