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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Schedule of Clinic Acquisition (Details) - Clinic	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
January 2015 Acquisition [Member]
Business Acquisition [Line Items]
Acquisition date	Jan. 31, 2015
Percentage of interest acquired (in hundredths)	60.00%
Number of Clinics	9
April 2015 Acquisition [Member]
Business Acquisition [Line Items]
Acquisition date	Apr. 30, 2015
Percentage of interest acquired (in hundredths)	70.00%
Number of Clinics	3
June 2015 Acquisition [Member]
Business Acquisition [Line Items]
Acquisition date	Jun. 30, 2015
Percentage of interest acquired (in hundredths)	70.00%
Number of Clinics	4
April 2014 Acquisition [Member]
Business Acquisition [Line Items]
Acquisition date		Apr. 30, 2014
Percentage of interest acquired (in hundredths)		70.00%
Number of Clinics		13
August 2014 Acquisition [Member]
Business Acquisition [Line Items]
Acquisition date		Aug. 01, 2014
Percentage of interest acquired (in hundredths)		100.00%
Number of Clinics		3

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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