| Document and Entity Information - USD ($) $ in Millions | 12 Months Ended | ||
| Dec. 31, 2023 | Apr. 24, 2024 | Jun. 30, 2023 | |
| Document and Entity Information | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2023 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-36464 | ||
| Entity Registrant Name | AGILE THERAPEUTICS INC | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 23-2936302 | ||
| Entity Address, Address Line One | 500 College Road East, Suite 310 | ||
| Entity Address, City or Town | Princeton | ||
| Entity Address, State or Province | NJ | ||
| Entity Address, Postal Zip Code | 08540 | ||
| City Area Code | 609 | ||
| Local Phone Number | 683-1880 | ||
| Title of 12(g) Security | Common Stock, par value $0.0001 per share | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 4.8 | ||
| Entity Common Stock, Shares Outstanding | 6,528,229 | ||
| Entity Central Index Key | 0001261249 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Fiscal Year Focus | 2023 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | false |
