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Organization, Nature of Operations and Basis of Presentation - Schedule of Multi Clinic Acquisition (Details) - Clinic | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
January 2015 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Jan. 31, 2015 |  |
Percentage of interest acquired | 60.00% |  |
Number of Clinics | 9 |  |
April 2015 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Apr. 30, 2015 |  |
Percentage of interest acquired | 70.00% |  |
Number of Clinics | 3 |  |
June 2015 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Jun. 30, 2015 |  |
Percentage of interest acquired | 70.00% |  |
Number of Clinics | 4 |  |
December 2015 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Dec. 31, 2015 |  |
Percentage of interest acquired | 59.00% |  |
Number of Clinics | 4 |  |
April 2014 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Apr. 30, 2014 | Apr. 30, 2014 |
Percentage of interest acquired |  | 70.00% |
Number of Clinics | 13 | 13 |
August 2014 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Aug. 01, 2014 | Aug. 01, 2014 |
Percentage of interest acquired |  | 100.00% |
Number of Clinics | 3 | 3 |
February 2013 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Feb. 28, 2013 |  | Feb. 28, 2013
Percentage of interest acquired |  |  | 72.00%
Number of Clinics | 9 |  | 9
April 2013 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Apr. 30, 2013 |  | Apr. 30, 2013
Percentage of interest acquired |  |  | 50.00%
Number of Clinics | 5 |  | 5
May 2013 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | May 24, 2013 |  | May 24, 2013
Percentage of interest acquired |  |  | 80.00%
Number of Clinics | 5 |  | 5
December 9, 2013 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Dec. 09, 2013 |  | Dec. 09, 2013
Percentage of interest acquired |  |  | 60.00%
Number of Clinics | 12 |  | 12
December 13, 2013 Acquisition [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Dec. 13, 2013 |  | Dec. 13, 2013
Percentage of interest acquired |  |  | 90.00%
Number of Clinics | 11 |  | 11

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References 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 + Details
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