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ACQUISITIONS OF BUSINESSES (Details)
 3 Months Ended 12 Months Ended
Mar. 23, 2017
USD ($)
Jan. 01, 2017
USD ($)
Clinic
Installment
Nov. 30, 2016
USD ($)
Clinic
Installment
Feb. 29, 2016
USD ($)
Clinic
Installment
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Subsidiary
Business Acquisition [Line Items]              
Seller notes issued for acquisition of interest in clinic         $ 900,000   $ 1,000,000
Cash paid, net of cash acquired         15,670,000 $ 12,899,000 23,623,000
Seller notes         900,000   1,000,000
Total consideration         16,570,000   24,623,000
Estimated fair value of net tangible assets acquired [Abstract]              
Total current assets         3,971,000   1,658,000
Total non-current assets         1,251,000   1,202,000
Total liabilities         (1,761,000)   (398,000)
Net tangible assets acquired         3,461,000   2,462,000
Referral relationships         2,320,000   4,919,000
Non-compete         1,042,000   847,000
Tradename         2,444,000   3,802,000
Goodwill         17,586,000   31,473,000
Fair value of non-controlling interest (classified as mandatorily redeemable non-controlling interest)         (10,283,000)   (18,880,000)
Total consideration         $ 16,570,000   $ 24,623,000
Referral Relationships [Member] | Minimum [Member]              
Business Acquisition [Line Items]              
Estimated useful lives of acquired intangibles         12 years    
Referral Relationships [Member] | Maximum [Member]              
Business Acquisition [Line Items]              
Estimated useful lives of acquired intangibles         13 years    
Non-compete Agreements [Member]              
Business Acquisition [Line Items]              
Estimated useful lives of acquired intangibles         6 years    
Acquisition of Seventeen Clinic Practices [Member]              
Business Acquisition [Line Items]              
Number of clinic practices acquired | Clinic   17          
Percentage of interest acquired             70.00%
Cash paid for acquisition of interest in clinic   $ 10,700,000          
Seller notes issued for acquisition of interest in clinic             $ 500,000
Business acquisition number of installments to payment of purchase consideration | Installment   2          
Seller notes             $ 500,000
Acquisition of Seventeen Clinic Practices [Member] | January 2018 [Member]              
Business Acquisition [Line Items]              
Acquisition cost payable in two principal installments including accrued interest   $ 250,000          
Acquisition of Seventeen Clinic Practices [Member] | January 2019 [Member]              
Business Acquisition [Line Items]              
Acquisition cost payable in two principal installments including accrued interest   $ 250,000          
Workforce Performance Solutions [Member]              
Business Acquisition [Line Items]              
Percentage of interest acquired 55.00%            
Cash paid for acquisition of interest in clinic $ 6,200,000            
Seller notes issued for acquisition of interest in clinic 400,000            
Seller notes $ 400,000            
Acquisition Of Twelve Clinic Practices [Member]              
Business Acquisition [Line Items]              
Number of clinic practices acquired | Clinic     12        
Percentage of interest acquired     60.00%        
Cash paid for acquisition of interest in clinic     $ 11,000,000        
Seller notes issued for acquisition of interest in clinic     $ 500,000        
Business acquisition number of installments to payment of purchase consideration | Installment     2        
Seller notes     $ 500,000        
Acquisition Of Twelve Clinic Practices [Member] | November 2017 [Member]              
Business Acquisition [Line Items]              
Acquisition cost payable in two principal installments including accrued interest     250,000        
Acquisition Of Twelve Clinic Practices [Member] | November 2018 [Member]              
Business Acquisition [Line Items]              
Acquisition cost payable in two principal installments including accrued interest     $ 250,000        
Acquisition Of Eight Clinic Practices [Member]              
Business Acquisition [Line Items]              
Number of clinic practices acquired | Clinic       8      
Percentage of interest acquired       55.00%      
Cash paid for acquisition of interest in clinic       $ 13,200,000      
Seller notes issued for acquisition of interest in clinic       $ 500,000      
Business acquisition number of installments to payment of purchase consideration | Installment       2      
Seller notes       $ 500,000      
Acquisition Of Eight Clinic Practices [Member] | February 2017 [Member]              
Business Acquisition [Line Items]              
Acquisition cost payable in two principal installments including accrued interest       250,000      
Acquisition Of Eight Clinic Practices [Member] | February 2018 [Member]              
Business Acquisition [Line Items]              
Acquisition cost payable in two principal installments including accrued interest       $ 250,000      
Acquisition Of Single Clinic Practices [Member]              
Business Acquisition [Line Items]              
Number of subsidiaries acquired clinic practices | Subsidiary             2
Aggregate purchase price for the acquired clinic practices             $ 75,000