| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | | | | 2019 | | 2018 | | 2019 | | 2018 | | | | | | (as adjusted) | | | | (as adjusted) | | Revenues: | | | | | | | | | | Corporate clinics | | $ | 5,777 | | | $ | 4,669 | | | $ | 11,416 | | | $ | 9,474 | | | Franchise operations | | | 5,393 | | | | 4,136 | | | | 10,433 | | | | 7,978 | | | Total revenues | | $ | 11,170 | | | $ | 8,805 | | | $ | 21,849 | | | $ | 17,452 | | | | | | | | | | | | | | | | | | | | | Segment operating income (loss): | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 564 | | | $ | (50 | ) | | $ | 1,404 | | | $ | 416 | | | Franchise operations | | | 2,631 | | | | 1,974 | | | | 5,020 | | | | 3,789 | | | Total segment operating income (loss) | | $ | 3,195 | | | $ | 1,924 | | | $ | 6,424 | | | $ | 4,205 | | | | | | | | | | | | | | | | | | | | | Depreciation and amortization: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 353 | | | $ | 245 | | | $ | 666 | | | $ | 548 | | | Franchise operations | | | - | | | | - | | | | - | | | | - | | | Corporate administration | | | 51 | | | | 160 | | | | 104 | | | | 244 | | | Total depreciation and amortization | | $ | 404 | | | $ | 405 | | | $ | 770 | | | $ | 792 | | | | | | | | | | | | | | | | | | | | Reconciliation of total segment operating income (loss) to consolidated earnings (loss) before income taxes (in thousands): | | | Total segment operating income (loss) | | $ | 3,195 | | | $ | 1,924 | | | $ | 6,424 | | | $ | 4,205 | | | Unallocated corporate | | | (2,707 | ) | | | (1,988 | ) | | | (4,993 | ) | | | (4,353 | ) | | Consolidated income (loss) from operations | | | 488 | | | | (64 | ) | | | 1,431 | | | | (148 | ) | | Bargain purchase gain | | | - | | | | 30 | | | | 19 | | | | 30 | | | Other income (expense), net | | | (15 | ) | | | (11 | ) | | | (26 | ) | | | (22 | ) | | Income (loss) before income tax expense | | $ | 473 | | | $ | (45 | ) | | $ | 1,424 | | | $ | (140 | ) | |
| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
| | | June 30, | | December 31, | | | | 2019 | | 2018 | | Segment assets: | | | | | | Corporate clinics | | $ | 19,249 | | | $ | 8,828 | | | Franchise operations | | | 5,181 | | | | 4,455 | | | Total segment assets | | $ | 24,430 | | | $ | 13,283 | | | | | | | | | | | | | Unallocated cash and cash equivalents and restricted cash | | $ | 9,614 | | | $ | 8,855 | | | Unallocated property and equipment | | | 1,551 | | | | 487 | | | Other unallocated assets | | | 874 | | | | 803 | | | Total assets | | $ | 36,469 | | | $ | 23,428 | | |