v3.8.0.1

SUBSEQUENT EVENTS (Details) |  |  | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Nov. 10, 2017 USD ($) $ / shares shares | Nov. 01, 2017 USD ($) restaurant | Oct. 01, 2017 restaurant $ / shares | Oct. 02, 2016 USD ($) | Oct. 09, 2017 USD ($) | Jan. 01, 2017 $ / shares
Subsequent event line items |  |  |  |  |  |
Proceeds From Sale Of Inventory |  |  |  | $ 315,000 |  |
Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax |  |  |  | $ 1,100,000 |  |
Restaurants Closed | restaurant |  |  | 12 |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares |  |  | $ 0.01 |  |  | $ 0.01
Subsequent Event [Member] |  |  |  |  |  |
Subsequent event line items |  |  |  |  |  |
Disposal Group, Number of Locations Sold | restaurant |  | 7 |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | $ 2,350,000 |  |  |  |
Disposal Group, including Discontinued Operations, Purchase Price Adjustments |  | 750,000 |  |  |  |
Note Receivable, Undrawn Amount |  | $ 750,000 |  |  |  |
Note Receivable, Term |  | 4 years |  |  |  |
Note Receivable, Interest Rate |  | 4.25% |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration, Description |  | (i) 50% of the rent, fees, charges, taxes and other amounts payable to the landlord or another third party pursuant to the lease agreement, plus (ii) 50% of that portion of Frederick's EBITDA (as defined in the Frederick APA) attributable to Frederick that exceeds $25,000 in any 12-month period and $37,500 in any 18-month period |  |  |  |
Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax |  | $ (3,700,000) |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.01 |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares | 418,169 |  |  |  |  |
Shares Issued, Price Per Share | $ / shares | $ 3.50 |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ 1,463,591.50 |  |  |  |  |
Subsequent Event [Member] | Maximum [Member] |  |  |  |  |  |
Subsequent event line items |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost Remaining |  |  |  |  | $ 1,000,000 |
Subsequent Event [Member] | Minimum [Member] |  |  |  |  |  |
Subsequent event line items |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost Remaining |  |  |  |  | $ 600,000 |

X
- Definition Description of consideration to be received in a sale transaction for which the purchase price is contingent upon multiple future events. + References No definition available. + Details
Name: | dave_DisposalGroupIncludingDiscontinuedOperationConsiderationDescription
Namespace Prefix: | dave_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of purchase price adjustments related to a disposal group. + References No definition available. + Details
Name: | dave_DisposalGroupIncludingDiscontinuedOperationsPurchasePriceAdjustments
Namespace Prefix: | dave_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of locations sold + References No definition available. + Details
Name: | dave_DisposalGroupNumberOfLocationsSold
Namespace Prefix: | dave_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate on which interest is calculated on a note receivable. + References No definition available. + Details
Name: | dave_NoteReceivableInterestRate
Namespace Prefix: | dave_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Repayment term for note receivable. + References No definition available. + Details
Name: | dave_NoteReceivableTerm
Namespace Prefix: | dave_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total amount of credit extended but undrawn as of a certain date. + References No definition available. + Details
Name: | dave_NoteReceivableUndrawnAmount
Namespace Prefix: | dave_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total number of restaurants closed during the period. + References No definition available. + Details
Name: | dave_RestaurantsClosed
Namespace Prefix: | dave_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face amount or stated value per share of common stock. + 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721525-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e957-107759 + Details
Name: | us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cash inflow from the sale of other assets as part of operating activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfOtherAssets1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Per share or per unit amount of equity securities issued. + References No definition available. + Details
Name: | us-gaap_SharesIssuedPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of new stock issued during the period. + 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 Reference 3: 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |