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8. NOTES PAYABLE (Details - Minimum capital lease payments) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Debt Disclosure [Abstract]    
2015 $ 6,066us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent  
2016 5,740us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears  
2017 573us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears  
2018 0us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears  
2019 0us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears  
Total minimum payments 12,379us-gaap_CapitalLeasesFutureMinimumPaymentsDue  
Amount representing interest (599)us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments  
Present value of net minimum lease payments 11,780us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments  
Less current portion (5,637)us-gaap_CapitalLeaseObligationsCurrent (3,075)us-gaap_CapitalLeaseObligationsCurrent
Long-term portion $ 6,143us-gaap_CapitalLeaseObligationsNoncurrent $ 2,779us-gaap_CapitalLeaseObligationsNoncurrent