XML 37 R75.htm IDEA: XBRL DOCUMENT v2.4.1.9
PREFERRED STOCK (Details Narrative) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Class of Stock [Line Items]    
Preferred stock, shares authorized 50,000,000us-gaap_PreferredStockSharesAuthorized 50,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
Series A Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, shares authorized 5,000,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
5,000,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Preferred stock, shares issued 630,419us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
1,319,002us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Preferred stock, shares outstanding 630,419us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
1,319,002us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Amount each share of preferred stock is entitled to receive prior to similar liquidation payments ( in USD per share) $ 1.49vtnr_PreferredStockAmountReceivedPriorToSimilarLiquidationPaymentsPerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Conversion conditions, number of consecutive trading days 20 days  
Conversion conditions, minimum gross public offering amount $ 10,000,000vtnr_PreferredStockConditionsforAutomaticCommonStockConversionMinimumGrossPublicOfferingAmount
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Conversion conditions, minimum proceeds to shareholders if the Company is sold (in USD per share) $ 10vtnr_PreferredStockConditionsforAutomaticCommonStockConversionMinimumProceedstoShareholdersifCompanyisSoldPerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Number of common shares issued for each convertible preferred share 1us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Series B Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, shares authorized 2,000,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Conversion conditions, number of consecutive trading days 10 days  
Number of common shares issued for each convertible preferred share 1us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Conversion conditions, conversion price of preferred stock (in USD per share) $ 1.00vtnr_PreferredStockConditionsforAutomaticCommonStockConversionShareConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Minimum | Series A Preferred Stock    
Class of Stock [Line Items]    
Conversion conditions, average common share market price (minimum) (in USD per share) $ 15vtnr_PreferredStockConditionsforAutomaticCommonStockConversionAverageCommonStockPricePerShare
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Conversion conditions, average daily trading volume (minimum) 7,500vtnr_PreferredStockConditionsforAutomaticCommonStockConversionAverageDailyTradingVolume
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Conversion conditions, price per share if Company consummates an underwritten public offering (minimum) (in USD per share) $ 10vtnr_PreferredStockConditionsforAutomaticCommonStockConversionPublicOfferingSharePrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Minimum | Series B Preferred Stock    
Class of Stock [Line Items]    
Conversion conditions, trading price of common stock (minimum) (in USD per share) $ 2.00vtnr_PreferredStockConditionsforAutomaticCommonStockConversionCommonStockTradingPrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember