Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Segment Reporting (Details Textual)

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Note 11 - Segment Reporting (Details Textual)
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
Number of Operating Segments 2  
Number of Stores 373 331
Number of Reportable Segments 2  
The 12 Months Ended December 31, 2016 [Member] | Reclassified from Other Unallocated Assets to Corporate Clinics Segment Assets [Member]    
Prior Period Reclassification Adjustment $ 545,000  
Corporate Clinics [Member]    
Number of Stores 47  
Franchise Operations [Member]    
Number of Stores 326