| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | | 2017 | | 2016 | | 2017 | | 2016 | | Revenues: | | | | | | | | | | Corporate clinics | | $ | 2,680 | | | $ | 2,137 | | | $ | 5,176 | | | $ | 3,796 | | | Franchise operations | | | 3,335 | | | | 2,837 | | | | 6,513 | | | | 5,443 | | | Total revenues | | $ | 6,015 | | | $ | 4,974 | | | $ | 11,689 | | | $ | 9,239 | | | | | | | | | | | | | | | | | | | | | Segment operating income (loss): | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | (438 | ) | | $ | (1,647 | ) | | $ | (1,037 | ) | | $ | (3,336 | ) | | Franchise operations | | | 1,456 | | | | 1,013 | | | | 2,807 | | | | 2,002 | | | Total segment operating income (loss) | | $ | 1,018 | | | $ | (634 | ) | | $ | 1,770 | | | $ | (1,334 | ) | | | | | | | | | | | | | | | | | | | | Depreciation and amortization: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 400 | | | $ | 534 | | | $ | 843 | | | $ | 1,026 | | | Franchise operations | | | - | | | | - | | | | - | | | | - | | | Corporate administration | | | 103 | | | | 103 | | | | 238 | | | | 187 | | | Total depreciation and amortization | | $ | 503 | | | $ | 637 | | | $ | 1,081 | | | $ | 1,213 | | | | | | | | | | | | | | | | | | | | | Reconciliation of total segment operating income (loss) to consolidated earnings (loss) before income taxes: | | | | | | | | | | | | | | | | | | Total segment operating income (loss) | | $ | 1,018 | | | $ | (634 | ) | | $ | 1,770 | | | $ | (1,334 | ) | | Unallocated corporate | | | (2,003 | ) | | | (2,553 | ) | | | (4,342 | ) | | | (5,334 | ) | | Consolidated loss from operations | | | (985 | ) | | | (3,187 | ) | | | (2,572 | ) | | | (6,668 | ) | | Other (expense) income, net | | | (24 | ) | | | (1 | ) | | | (43 | ) | | | (1 | ) | | Loss before income tax expense | | $ | (1,009 | ) | | $ | (3,188 | ) | | $ | (2,615 | ) | | $ | (6,669 | ) | |
| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|
| June 30,
2017 |
| December 31,
2016 | | Segment assets: | | | | | | | | | | Corporate clinics | | $ | 9,705 | | | $ | 10,481 | | | Franchise operations | | | 1,907 | | | | 2,003 | | | Total segment assets | | $ | 11,612 | | | $ | 12,484 | | | | | | | | | | | | | Unallocated cash and cash equivalents and restricted cash | | $ | 3,327 | | | $ | 3,344 | | | Unallocated property and equipment | | | 633 | | | | 781 | | | Other unallocated assets | | | 554 | | | | 446 | | | Total assets | | $ | 16,126 | | | $ | 17,055 | | |