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STOCK BASED COMPENSATION (Details 1) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock Warrants        
Outstanding, beginning - shares 7,083us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 1,163,308us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 1,245,311us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber  
Warrants granted - shares 219,868us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted  
Warrants exercised - shares (833)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised (631,250)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised (37,500)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised  
Warrants cancelled/forfeited/expired - shares (6,250)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations (524,975)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations (44,503)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations  
Outstanding, ending - shares 219,868us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 7,083us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 1,163,308us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 1,245,311us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Vested - shares 109,934us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod 833us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod 1,150,808us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod  
Exercisable - shares 109,934vtnr_WarrantsExercisableShares 833vtnr_WarrantsExercisableShares 1,150,808vtnr_WarrantsExercisableShares  
Outstanding, beginning - weighted average exercise price $ 2.72vtnr_OutstandingWeightedAverageExercisePriceWarrants $ 12.37vtnr_OutstandingWeightedAverageExercisePriceWarrants $ 12.48vtnr_OutstandingWeightedAverageExercisePriceWarrants  
Warrants granted - weighted average exercise price $ 3.01us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue  
Warrants exercised - weighted average exercise price $ (10.00)vtnr_WarrantsExercisedWeightedAverageExercisePrice $ (1.65)vtnr_WarrantsExercisedWeightedAverageExercisePrice $ (1.08)vtnr_WarrantsExercisedWeightedAverageExercisePrice  
Warrants cancelled/forfeited/expired - weighted average exercise price $ (1.75)vtnr_WarrantsCancelledforfeitedexpiredWeightedAverageExercisePrice $ (25.38)vtnr_WarrantsCancelledforfeitedexpiredWeightedAverageExercisePrice $ (25.00)vtnr_WarrantsCancelledforfeitedexpiredWeightedAverageExercisePrice  
Outstanding, ending - weighted average exercise price $ 3.01vtnr_OutstandingWeightedAverageExercisePriceWarrants $ 2.72vtnr_OutstandingWeightedAverageExercisePriceWarrants $ 12.37vtnr_OutstandingWeightedAverageExercisePriceWarrants $ 12.48vtnr_OutstandingWeightedAverageExercisePriceWarrants
Vested - weighted average exercise price $ 3.01vtnr_VestedWeightedAverageExercisePrice $ 10.00vtnr_VestedWeightedAverageExercisePrice $ 12.50vtnr_VestedWeightedAverageExercisePrice  
Exercisable - weighted average exercise price $ 3.01vtnr_WarrantsExercisableWeightedAverageExercisePrice $ 10.00vtnr_WarrantsExercisableWeightedAverageExercisePrice $ 12.50vtnr_WarrantsExercisableWeightedAverageExercisePrice  
Outstanding, beginning - weighted average remaining contractual life (in years) 5 years 1 year 6 months 25 days 4 months 24 days 1 year 4 months 27 days
Granted, weighted average remaining contractual life (in years) 5 years      
Outstanding, ending - weighted average remaining contractual life (in years) 5 years 1 year 6 months 25 days 4 months 24 days 1 year 4 months 27 days
Vested - weighted average remaining contractual life (in years) 5 years 3 months 4 months 27 days  
Exercisable - weighted average remaining contractual life (in years) 5 years 3 months 4 months 27 days  
Outstanding, beginning - grant date fair value $ 2,900vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue $ 128,889vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue $ 142,065vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue  
Warrants granted - grant date fair value 140,149vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedGrantDateFairValue 0vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedGrantDateFairValue 0vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedGrantDateFairValue  
Warrants exercised - grant date fair value (100)vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedGrantDateFairValue (30,029)vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedGrantDateFairValue (10,626)vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedGrantDateFairValue  
Warrants cancelled/forfeited/expired - grant date fair value (2,800)vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledGrantDateFairValue (95,960)vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledGrantDateFairValue (2,550)vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledGrantDateFairValue  
Outstanding, ending - grant date fair value 140,149vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue 2,900vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue 128,889vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue 142,065vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue
Vested - grant date fair value 140,149us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue 100us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue 123,289us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue  
Exercisable - grant date fair value $ 140,149vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableGrantDateFairValue $ 100vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableGrantDateFairValue $ 123,289vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableGrantDateFairValue