| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Three Months Ended | | Nine Months Ended | | | | September 30, | | September 30, | | | | 2017 | | 2016 | | 2017 | | 2016 | | Revenues: | | | | | | | | | | Corporate clinics | | $ | 2,930 | | | $ | 2,341 | | | $ | 8,106 | | | $ | 6,137 | | | Franchise operations | | | 3,616 | | | | 3,163 | | | | 10,128 | | | | 8,605 | | | Total revenues | | $ | 6,546 | | | $ | 5,504 | | | $ | 18,234 | | | $ | 14,743 | | | | | | | | | | | | | | | | | | | | | Segment operating (loss) income: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | (196 | ) | | $ | (1,527 | ) | | $ | (1,233 | ) | | $ | (4,863 | ) | | Franchise operations | | | 1,671 | | | | 1,195 | | | | 4,479 | | | | 3,197 | | | Total segment operating (loss) income | | $ | 1,475 | | | $ | (332 | ) | | $ | 3,246 | | | $ | (1,666 | ) | | | | | | | | | | | | | | | | | | | | Depreciation and amortization: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 379 | | | $ | 599 | | | $ | 1,222 | | | $ | 1,625 | | | Franchise operations | | | - | | | | - | | | | - | | | | - | | | Corporate administration | | | 90 | | | | 97 | | | | 328 | | | | 283 | | | Total depreciation and amortization | | $ | 469 | | | $ | 696 | | | $ | 1,550 | | | $ | 1,908 | | | | | | | | | | | | | | | | | | | | | Reconciliation of total segment operating income (loss) to consolidated earnings (loss) before income taxes (in thousands): | | | | | | | | | | | | | | | | | | Total segment operating (loss) income | | $ | 1,475 | | | $ | (332 | ) | | $ | 3,246 | | | $ | (1,666 | ) | | Unallocated corporate | | | (1,853 | ) | | | (2,287 | ) | | | (6,195 | ) | | | (7,620 | ) | | Consolidated loss from operations | | | (378 | ) | | | (2,619 | ) | | | (2,949 | ) | | | (9,286 | ) | | Other (expense) income, net | | | 10 | | | | 6 | | | | (34 | ) | | | 5 | | | Loss before income tax expense | | $ | (368 | ) | | $ | (2,613 | ) | | $ | (2,983 | ) | | $ | (9,281 | ) | |
| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
| | | September 30, | | December 31, | | | | 2017 | | 2016 | | Segment assets: | | | | | | | | | | Corporate clinics | | $ | 9,250 | | | $ | 10,481 | | | Franchise operations | | | 2,353 | | | | 2,003 | | | Total segment assets | | $ | 11,603 | | | $ | 12,484 | | | | | | | | | | | | | Unallocated cash and cash equivalents and restricted cash | | $ | 2,786 | | | $ | 3,344 | | | Unallocated property and equipment | | | 655 | | | | 781 | | | Other unallocated assets | | | 604 | | | | 446 | | | Total assets | | $ | 15,648 | | | $ | 17,055 | | |