Present value of lessee's discounted obligation for lease payments from finance lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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

- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

+ Details

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

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, Finance Lease, Number of Contracts

+ References

No definition available.

+ Details

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Namespace Prefix:	vtnr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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LINE OF CREDIT AND LONG-TERM DEBT - Finance Leases (Details)			2 Months Ended	9 Months Ended
	May 29, 2018 USD ($) lease	Mar. 01, 2018 USD ($) lease	May 31, 2019 USD ($) lease	Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Finance lease payment				$ 113,241
Well Fargo Equipment Lease-VRM LA
Lessee, Lease, Description [Line Items]
Number of finance leases assumed \| lease		1
Finance lease payment		$ 908
Finance lease term		3 years
Tetra Capital Lease
Lessee, Lease, Description [Line Items]
Number of finance leases assumed \| lease	1
Finance lease payment	$ 26,305
Finance lease term	4 years
Wells Fargo Equipment Lease-Ohio
Lessee, Lease, Description [Line Items]
Number of finance leases assumed \| lease			5
Finance lease payment			$ 11,710
Finance lease term			5 years
Finance Lease \| Well Fargo Equipment Lease-VRM LA
Lessee, Lease, Description [Line Items]
Finance lease obligation				14,898
Finance Lease \| Tetra Capital Lease
Lessee, Lease, Description [Line Items]
Finance lease obligation				286,011
Finance Lease \| Wells Fargo Equipment Lease-Ohio
Lessee, Lease, Description [Line Items]
Finance lease obligation				$ 579,062