SUBSEQUENT EVENTS - Credit and Guaranty Agreement (Details) - Subsequent event	Feb. 01, 2017 USD ($)
Line of Credit
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 30,000,000
Revolving Credit Agreement
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	10,000,000
EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	20,000,000
Line of credit, outstanding	12,000,000
Remaining borrowing capacity	$ 8,000,000
Incremental increase in interest rate per event of default (percent)	2.00%
Monthly principal payments	$ 75,000
Minimum \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Line of credit, voluntary repayment amount	$ 100,000
Tier One \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Interest rate	12.00%
Tier One \| Maximum \| Revolving Credit Agreement
Subsequent Event [Line Items]
Line of credit, average available balance	$ 2,500,000.0
Tier One \| Maximum \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Debt covenant ratio, adjusted EBITDA to sum of debt service charges and other distributions paid on capital stock in cash	1
Tier Two \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Interest rate	13.00%
Tier Two \| Maximum \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Debt covenant ratio, adjusted EBITDA to sum of debt service charges and other distributions paid on capital stock in cash	1.45
Tier Two \| Minimum \| Revolving Credit Agreement
Subsequent Event [Line Items]
Line of credit, average available balance	$ 2,500,000.0
Tier Two \| Minimum \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Debt covenant ratio, adjusted EBITDA to sum of debt service charges and other distributions paid on capital stock in cash	1
Tier Three \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Interest rate	14.00%
Tier Three \| Minimum \| EBC Credit Agreement \| Line of Credit
Subsequent Event [Line Items]
Debt covenant ratio, adjusted EBITDA to sum of debt service charges and other distributions paid on capital stock in cash	1.45

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Definition

Debt Covenant Ratio, Adjusted EBITDA to Sum of Debt Service Charges and Other Distributions Paid on Capital Stock in Cash

+ References

No definition available.

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- Definition

Debt Instrument, Interest Rate, Incremental Increase per Event of Default, Percent

+ References

No definition available.

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- Definition

Line of Credit, Average Available Balance

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line of Credit, Voluntary Repayment Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	vtnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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