| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Three Months Ended
March 31, | | | | | 2018 | | 2017 | | | Revenues: | | | | | | | | | Owned restaurants | | $ | 15,076 | | $ | 14,228 | | | Owned food, beverage and other operations | | | 2,005 | | | 3,885 | | | Managed and licensed operations | | | 2,436 | | | 2,314 | | | | | $ | 19,517 | | $ | 20,427 | | | | | | | | | | | | Segment Profits: | | | | | | | | | Owned restaurants | | $ | 1,664 | | $ | 983 | | | Owned food, beverage and other operations | | | 316 | | | 948 | | | Managed and licensed operations | | | 2,436 | | | 2,314 | | | | | | | | | | | | Total segment profit | | | 4,416 | | | 4,245 | | | | | | | | | | | | General and administrative | | | 3,055 | | | 2,921 | | | Depreciation and amortization | | | 778 | | | 866 | | | Interest expense, net of interest income | | | 318 | | | 259 | | | Equity in loss (income) of investee companies | | | 23 | | | (45) | | | Other, net | | | 99 | | | 755 | | | | | | | | | | | | Income (loss) from continuing operations before provision for income taxes | | $ | 143 | | $ | (511) | | | Total assets: | | March 31,
2018 | | December 31,
2017 | | | Owned restaurants | | $ | 40,285 | | $ | 40,570 | | | Owned food, beverage and other operations* | | | 6,501 | | | 7,385 | | | Managed and licensed operations | | | 4,837 | | | 5,060 | | | Total | | $ | 51,623 | | $ | 53,015 | | * Includes corporate assets | Capital asset additions: | | Three Months Ended
March 31, | | | | | 2018 | | 2017 | | | Owned restaurants | | $ | 301 | | $ | 1,236 | | | Owned food, beverage and other operations** | | | 5 | | | 117 | | | Managed and licensed operations | | | — | | | — | | | Total | | $ | 306 | | $ | 1,353 | | ** Includes corporate capital asset additions
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