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2. SUMMARY OF ACCOUNTING POLICIES (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Feb. 01, 2018
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Apr. 12, 2018
Mar. 01, 2018
Dec. 31, 2017
Mar. 24, 2017
Deferred financing costs, net of accumulated amortization   $ 1,500     $ 1,500       $ 1,900  
Goodwill   274,361     274,361       256,776  
Income tax expense   $ 2,827 $ 1,112   $ 2,835 $ 4,177        
Effective tax rate   32.90% 22.40%   29.50% 32.70%        
Investment at cost   $ 34,210     $ 34,210       45,935  
Management service fees   3,500 $ 3,300   10,600 $ 9,900        
Line of credit   0     0       $ 0  
Nulogix, Inc. [Member]                    
Investment at cost             $ 2,000      
Equity interest percentage             25.00%      
2016 Caps [Member]                    
Premium liability for 2016 Caps   5,300     5,300          
2016 Caps [Member] | September 2020 [Member]                    
Notional amounts   150,000     150,000          
2016 Caps [Member] | October 2020 [Member]                    
Notional amounts   $ 350,000     $ 350,000          
Propery and equipment, net [Member] | Minimum [Member]                    
Property and equipment useful lives         P3Y          
Propery and equipment, net [Member] | Maximum [Member]                    
Property and equipment useful lives         P15Y          
Leasehold Improvements [Member] | Minimum [Member]                    
Property and equipment useful lives         P3Y          
Leasehold Improvements [Member] | Maximum [Member]                    
Property and equipment useful lives         P30Y          
Turner Imaging [Member]                    
Number of shares purchased 2,100,000                  
Number of shares purchased, value $ 2,000                  
Medic Vision [Member]                    
Investment at cost               $ 200   $ 1,000
Equity interest percentage   14.21%     14.21%         12.50%
Additional equity interest acquired               1.96%    
Restated Plan [Member]                    
Shares of Common Stock Reserved for Issuance under the Restated Plan   14,000,000     14,000,000          
Non-recourse agreement | third party                    
Accounts receivable       $ 10,500            
Cost of factoring       $ 440            
Interest rate       4.00%