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Collaborative Agreements (Details Textual) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Contract Research And Development [Member] |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |
Other Research and Development Expense | $ 10.0 | $ 12.9
Abbott Products, Inc. [Member] | Collaborative Arrangement [Member] |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |
Collaborative Arrangement, Termination Date | Mar. 29, 2012 |
Collaborative Arrangement, Rights and Obligations | All obligations under the prior license agreement have been completed except that Lipocine will owe Abbott a perpetual 1% royalty on net sales. |
Collaborative Arrangement, Royalties, Maximum Amount | $ 1.0 |
Collaborative Arrangement, Royalties, Percentage of Reduction | 50.00% |

X
- Definition This element represents the maximum amount of royalties under collaborative arrangements. + References No definition available. + Details
Name: | lpcn_CollaborativeArrangementRoyaltiesMaximumAmount
Namespace Prefix: | lpcn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the percentage of reduction of royalties under collaborative arrangements, If generic versions of any such product are introduced. + References No definition available. + Details
Name: | lpcn_CollaborativeArrangementRoyaltiesPercentageOfReduction
Namespace Prefix: | lpcn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents that, agreement termination date under collaborative arrangements. + References No definition available. + Details
Name: | lpcn_CollaborativeArrangementTerminationDate
Namespace Prefix: | lpcn_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of rights and obligations under the collaborative arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 808 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434 + Details
Name: | us-gaap_CollaborativeArrangementRightsAndObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of other research and development expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
Name: | us-gaap_OtherResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=lpcn_ContractResearchAndDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lpcn_AbbottProductsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=us-gaap_CollaborativeArrangementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |