8. NOTES PAYABLE, LINE OF CREDIT AND CAPITAL LEASES (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of notes payable, line of credit and capital lease obligations

	December 31,
	2015			2014
Revolving lines of credit	$	–		$	15,300
First Lien Term Loans		451,023			399,750
Second Lien Term Loans		180,000			180,000
Discounts on term loans		(9,542	)		(11,966	)
Promissory note payable to the former owner of a practice acquired at an interest rate of 1.5% due through 2019		1,361			–
Promissory note payable to Healthcare Partners for imaging equipment acquired through acquisition at an interest rate of 5.25%		431			1,590
Equipment notes payable at interest rates ranging from 3.3% to 10.2%, due through 2020, collateralized by medical equipment		1,032			1,153
Obligations under capital leases at interest rates ranging from 2.5% to 10.8%, due through 2022, collateralized by medical and office equipment		16,423			11,780
Total debt obligations		640,728			597,607
Less: current portion		(33,114	)		(25,105	)
Long term portion debt obligations	$	607,614		$	572,502

Annual principal maturities of notes payable

2016	$	26,217
2017		25,247
2018		402,097
2019		276
2020		11
Thereafter		180,000
Total notes payable obligations	$	633,848

Schedule of capital lease minimum payments

2016	$	10,660
2017		4,325
2018		1,713
2019		246
2020		201
Thereafter		98
Total minimum payments		17,243
Amount representing interest		(820	)
Present value of net minimum lease payments		16,423
Less current portion		(10,038	)
Long-term portion lease obligations	$	6,385

Term loans and financing activity

	As of December 31, 2015
	Face Value		Discount			Total Carrying Value
First Lien Term Loans	$	451,023	$	(7,305	)	$	443,718
Second Lien Term Loans	$	180,000	$	(2,237	)	$	177,763
Total	$	631,023	$	(9,542	)	$	621,481