Geographic information (Details) - USD ($) $ in Thousands |
3 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
|||
| Revenues | $ 19,517 | $ 20,427 | |||
| Long-lived Assets | 42,431 | $ 43,252 | |||
| UNITED STATES | |||||
| Revenues | 18,768 | 19,800 | |||
| Long-lived Assets | 42,311 | 43,104 | |||
| UNITED STATES | Owned restaurants [Member] | |||||
| Revenues | 15,076 | 14,228 | |||
| Long-lived Assets | 37,451 | 37,907 | |||
| UNITED STATES | Owned food, beverage and other operations [Member] | |||||
| Revenues | 2,005 | 3,885 | |||
| Long-lived Assets | [1] | 4,768 | 5,088 | ||
| UNITED STATES | Managed and licensed operations [Member] | |||||
| Revenues | 1,687 | 1,687 | |||
| Long-lived Assets | 92 | 109 | |||
| Non-US [Member] | |||||
| Revenues | 749 | 627 | |||
| Long-lived Assets | 120 | 148 | |||
| Non-US [Member] | Owned restaurants [Member] | |||||
| Revenues | 0 | 0 | |||
| Long-lived Assets | 0 | 0 | |||
| Non-US [Member] | Owned food, beverage and other operations [Member] | |||||
| Revenues | 0 | 0 | |||
| Long-lived Assets | 0 | 0 | |||
| Non-US [Member] | Managed and licensed operations [Member] | |||||
| Revenues | 749 | $ 627 | |||
| Long-lived Assets | $ 120 | $ 148 | |||
| |||||