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Subsequent Events (Details) - Subsequent Event - USD ($) $ in Thousands | Jul. 15, 2015 | Jul. 03, 2015
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Chief Financial Officer |  |
Subsequent Event [Line Items] |  |
Aggregate termination severance amount |  | $ 325
Employment termination severance payment period |  | 12 months
Chief Sales Officer |  |
Subsequent Event [Line Items] |  |
Aggregate termination severance amount | $ 352 |
Employment termination severance payment period | 12 months |

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- Definition Employment Termination Severance + References No definition available. + Details
Name: | lfvn_EmploymentTerminationSeverance
Namespace Prefix: | lfvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Employment Termination Severance Payment Period + References No definition available. + Details
Name: | lfvn_EmploymentTerminationSeverancePaymentPeriod
Namespace Prefix: | lfvn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- 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

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- Details
Name: | us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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- Details
Name: | us-gaap_TitleOfIndividualAxis=lfvn_ChiefSalesOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |