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5. STOCK-BASED COMPENSATION (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Intrinsic value of options and warrants exercised $ 1,900us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue $ 16us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Unrecognized stock-based compensation expense $ 30us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions  
Unrecognized expense weighted average period 1 year 7 months 6 days  
Shares available for future issuance, options, warrants, shares of restricted stock and other bonus awards 7,944,958us-gaap_DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance  
Shares available for future issuance, common stock 3,055,042us-gaap_CommonStockCapitalSharesReservedForFutureIssuance