| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| | | Three Months Ended | | Nine Months Ended | | | | September 30, | | September 30, | | | | 2019 | | 2018 | | 2019 | | 2018 | | | | | | (as adjusted) | | | | (as adjusted) | | Revenues: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 6,830 | | | $ | 4,854 | | | $ | 18,246 | | | $ | 14,328 | | | Franchise operations | | | 5,896 | | | | 4,388 | | | | 16,330 | | | | 12,365 | | | Total revenues | | $ | 12,726 | | | $ | 9,242 | | | $ | 34,576 | | | $ | 26,693 | | | | | | | | | | | | | | | | | | | | | Segment operating income: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 821 | | | $ | 385 | | | $ | 2,225 | | | $ | 801 | | | Franchise operations | | | 2,875 | | | | 2,130 | | | | 7,895 | | | | 5,919 | | | Total segment operating income | | $ | 3,696 | | | $ | 2,515 | | | $ | 10,120 | | | $ | 6,720 | | | | | | | | | | | | | | | | | | | | | Depreciation and amortization: | | | | | | | | | | | | | | | | | | Corporate clinics | | $ | 490 | | | $ | 276 | | | $ | 1,156 | | | $ | 824 | | | Franchise operations | | | - | | | | - | | | | - | | | | - | | | Corporate administration | | | 48 | | | | 113 | | | | 153 | | | | 358 | | | Total depreciation and amortization | | $ | 538 | | | $ | 389 | | | $ | 1,309 | | | $ | 1,182 | | | | | | | | | | | | | | | | | | | | | Reconciliation of total segment operating income (loss) to consolidated earnings (loss) before income taxes (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total segment operating income (loss) | | $ | 3,696 | | | $ | 2,515 | | | $ | 10,120 | | | $ | 6,720 | | | Unallocated corporate | | | (3,056 | ) | | | (2,762 | ) | | | (8,048 | ) | | | (7,115 | ) | | Consolidated income (loss) from operations | | | 640 | | | | (247 | ) | | | 2,072 | | | | (395 | ) | | Bargain purchase gain | | | - | | | | - | | | | 19 | | | | 30 | | | Other income (expense), net | | | (17 | ) | | | (11 | ) | | | (43 | ) | | | (32 | ) | | Income (loss) before income tax (expense) benefit | | $ | 623 | | | $ | (258 | ) | | $ | 2,048 | | | $ | (397 | ) | |
| Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
| | | September 30, | | December 31, | | | | 2019 | | 2018 | | Segment assets: | | | | | | Corporate clinics | | $ | 25,223 | | | $ | 8,828 | | | Franchise operations | | | 5,411 | | | | 4,455 | | | Total segment assets | | $ | 30,634 | | | $ | 13,283 | | | | | | | | | | | | | Unallocated cash and cash equivalents and restricted cash | | $ | 7,996 | | | $ | 8,855 | | | Unallocated property and equipment | | | 2,086 | | | | 487 | | | Other unallocated assets | | | 1,063 | | | | 803 | | | Total assets | | $ | 41,779 | | | $ | 23,428 | | |