| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | | 2018 | | 2017 | | 2018 | | 2017 | | Revenues: | | | | | | | | | | Corporate clinics | | $ | 3,421 | | | $ | 2,680 | | | $ | 6,677 | | | $ | 5,176 | | | Franchise operations | | | 4,136 | | | | 3,320 | | | | 7,978 | | | | 6,331 | | | Total revenues | | $ | 7,557 | | | $ | 6,000 | | | $ | 14,655 | | | $ | 11,507 | | | | | | | | | | | | | | | | | | | | | Segment operating (loss) income: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | (86 | ) | | $ | (438 | ) | | $ | 25 | | | $ | (1,455 | ) | | Franchise operations | | | 1,974 | | | | 1,445 | | | | 3,789 | | | | 2,678 | | | Total segment operating (loss) income | | $ | 1,888 | | | $ | 1,007 | | | $ | 3,814 | | | $ | 1,223 | | | | | | | | | | | | | | | | | | | | | Depreciation and amortization: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 245 | | | $ | 400 | | | $ | 548 | | | $ | 844 | | | Franchise operations | | | - | | | | - | | | | - | | | | - | | | Corporate administration | | | 160 | | | | 103 | | | | 244 | | | | 237 | | | Total depreciation and amortization | | $ | 405 | | | $ | 503 | | | $ | 792 | | | $ | 1,081 | | | | | | | | | | | | | | | | | | | | | Reconciliation of total segment operating income (loss) to consolidated earnings (loss) before income taxes (in thousands): | | | | | | | | | | | | | | | | | | Total segment operating income | | $ | 1,888 | | | $ | 1,007 | | | $ | 3,814 | | | $ | 1,223 | | | Unallocated corporate | | | (1,989 | ) | | | (2,003 | ) | | | (4,353 | ) | | | (3,924 | ) | | Consolidated loss from operations | | | (101 | ) | | | (996 | ) | | | (539 | ) | | | (2,701 | ) | | Bargain purchase gain | | | 75 | | | | - | | | | 75 | | | | - | | | Other (expense) income, net | | | (11 | ) | | | (24 | ) | | | (23 | ) | | | (43 | ) | | Loss before income tax expense | | $ | (37 | ) | | $ | (1,020 | ) | | $ | (487 | ) | | $ | (2,744 | ) | |
| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
| | | June 30,
2018 | | December 31,
2017 | | Segment assets: | | | | | | Corporate clinics | | $ | 8,533 | | | $ | 8,998 | | | Franchise operations | | | 4,015 | | | | 3,888 | | | Total segment assets | | $ | 12,548 | | | $ | 12,886 | | | | | | | | | | | | | Unallocated cash and cash equivalents and restricted cash | | $ | 4,708 | | | $ | 4,320 | | | Unallocated property and equipment | | | 846 | | | | 765 | | | Other unallocated assets | | | 686 | | | | 465 | | | Total assets | | $ | 18,788 | | | $ | 18,436 | | |