Note 11 - Segment Reporting  | 
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| Segment Reporting Disclosure [Text Block] | 
 Note  11:  Segment ReportingAn operating segment is defined as a component of an enterprise for which discrete financial information is available and is reviewed regularly by the Chief Operating Decision Maker (“CODM”), to evaluate performance and make operating decisions. The Company has identified its CODM as the Chief Executive Officer.  The Company has       two  operating business segments. The Corporate Clinics segment is comprised of the operating activities of the company-owned or managed clinics. As of  March  31,  2017,  the Company operated or managed 47  clinics under this segment. The Franchise Operations segment is comprised of the operating activities of the franchise business unit. As of  March  31,  2017,  the franchise system consisted of 326  clinics in operation. Corporate is a non-operating segment that develops and implements strategic initiatives and supports the Company’s two  operating business segments by centralizing key administrative functions such as finance and treasury, information technology, insurance and risk management, litigation and human resources. Corporate also provides the necessary administrative functions to support the Company as a publicly traded company. A portion of the expenses incurred by Corporate are allocated to the operating segments. The tables below present financial information for the Company’s   two  operating business segments (in thousands):
 
 “Unallocated cash and cash equivalents and restricted cash” relates primarily to corporate cash and cash equivalents and restricted cash (see Note   1),  “unallocated property and equipment” relates primarily to corporate fixed assets, and “other unallocated assets” relates primarily to deposits, prepaid and other assets.The Company reclassified approximately  
$545,000  of assets from Other unallocated assets to Corporate clinics segment assets for the year ended  December  31,  2016  to align with current period presentation of segment assets. | 
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