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8. NOTES PAYABLE, REVOLVING CREDIT FACILITY AND CAPITAL LEASES (Details - Annual note payable maturities)
$ in Thousands
Dec. 31, 2017
USD ($)
Debt Disclosure [Abstract]  
2018 $ 33,582
2019 33,357
2020 33,092
2021 33,081
2022 33,081
Thereafter 454,866
Total notes payable obligations $ 621,059