Revenue from contracts with customers (Details 4) - Gift Certificate Revenue [Member] $ in Thousands |
12 Months Ended | |||||
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Dec. 31, 2018
USD ($)
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| Deferred revenue, as of January 1, 2018 | $ 757 | [1] | ||||
| Additions to deferred certificates revenue | 983 | |||||
| Revenue recognized during the period related to redemptions | (1,047) | |||||
| Revenue recognized during the period related to breakage | (202) | |||||
| Deferred revenue, as of December 31, 2018 | $ 491 | [2] | ||||
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| X | ||||||||||
- Definition The amount of revenue recognized related to breakage No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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