Revenue from Contracts with Customers - Changes in Deferred Gift Card and Gift Certificate Revenue (Details) - USD ($) $ in Thousands |
9 Months Ended | |
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Sep. 30, 2021 |
Sep. 30, 2020 |
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| Deferred license revenue | ||
| Revenue recognized | $ 134 | $ 154 |
| Deferred gift card and gift certificate revenue | ||
| Revenue recognized | $ 1,232 | $ 1,173 |
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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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