Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Franchise Agreements (Details)

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Note 1 - Franchise Agreements (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Franchised Units [Member]            
Clinics open at beginning of period 239 215 242 175    
Opened during the period 13 16 36 57    
Acquired during the period (2) (23)    
Closed during the period (2) (1) (7) (2)    
Clinics in operation at the end of the period 248 230 248 230    
Total clinics in operation at the end of the period 239 215 242 175 248 230
Entity Operated Units [Member]            
Clinics open at beginning of period 23 4    
Opened during the period 4 4    
Acquired during the period 2 23    
Closed during the period (2)    
Clinics in operation at the end of the period 29 29    
Total clinics in operation at the end of the period 23 4 29
Clinics in operation at the end of the period 277 230 277 230    
Total clinics in operation at the end of the period 277 230 277 230 277 230
Clinic licenses sold but not yet developed         180 248