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 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Franchised Units [Member]        
Clinics open at beginning of period 241 192 242 175
Opened during the period 10 23 23 41
Acquired during the period (11)   (21)  
Closed during the period (1)   (5) (1)
Clinics in operation at the end of the period 239 215 239 215
Franchises sold but not yet operational 230 250 230 250
Entity Operated Units [Member]        
Clinics open at beginning of period 12   4  
Acquired during the period 11   21  
Closed during the period     (2)  
Clinics in operation at the end of the period 23   23  
Clinics in operation at the end of the period 262 215 262 215