Income Taxes (Details) - State - New Jersey - Sale of unused NOLs and research and development credits $ in Millions	1 Months Ended
Jan. 31, 2018 USD ($)
Sale of New Jersey Net Operating Losses
Proceeds from the issuance of common stock, net	$ 0.5
Maximum lifetime benefit under the Program	$ 15.0
Minimum
Sale of New Jersey Net Operating Losses
Allowable sale of unused tax benefits as a percentage of total value	80.00%

The maximum lifetime benefit under the State of New Jersey's Technology Business Tax Certificate Transfer Program.

No definition available.

Name:	agrx_MaximumLifetimeBenefitUnderProgram
Namespace Prefix:	agrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The sale of unused net operating loss carryovers and unused research and development tax credits for percentage of the value of the tax benefits to unaffiliated.

+ References

No definition available.

+ Details

Name:	agrx_SaleOfIntangibleAssetsToPercentageOfValueOfTaxBenefits
Namespace Prefix:	agrx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

- Definition

The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_NewJerseyDivisionOfTaxationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=agrx_TechnologyBusinessTaxCertificateProgramSaleOfUnusedTaxCarryforwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: