5. REVOLVING CREDIT FACILITY, NOTES PAYABLE AND CAPITAL LEASES (Details - Schedule of debt) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Discounts on term loan and notes	$ (16,624)	$ (16,783)
Promissory notes payable	883	980
Equipment notes payable	641	341
Obligations under capital leases	11,650	7,256
Debt held for contribution to joint venture	(1,573)	0
Total notes payable, line of credit and capital lease obligations	635,852	638,732
Less: current portion	(27,842)	(26,557)
Total notes payable, line of credit and capital lease obligations, long-term	608,010	612,175
First Lien Term Loans [Member]
Term loans	472,875
Second Lien Term Loans [Member]
Term loans	$ 168,000	168,000
First Lien Term Loan [Member]
Term loans		$ 478,938