Document and Entity Information
Document and Entity Information - USD ($) $ in Millions | 12 Months Ended | ||
Dec. 31, 2021 | Mar. 31, 2022 | Jun. 30, 2021 | |
Cover [Abstract] | |||
Document Type | 10-K/A | ||
Amendment Flag | false | ||
Document Annual Report | true | ||
Document Period End Date | Dec. 31, 2021 | ||
Current Fiscal Year End Date | --12-31 | ||
Document Fiscal Year Focus | 2021 | ||
Document Fiscal Period Focus | FY | ||
Document Transition Report | false | ||
Entity File Number | 001-32302 | ||
Entity Registrant Name | ANTARES PHARMA, INC. | ||
Entity Central Index Key | 0001016169 | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Tax Identification Number | 41-1350192 | ||
Entity Address, Address Line One | 100 Princeton South | ||
Entity Address, Address Line Two | Suite 300 | ||
Entity Address, City or Town | Ewing | ||
Entity Address, State or Province | NJ | ||
Entity Address, Postal Zip Code | 08628 | ||
City Area Code | 609 | ||
Local Phone Number | 359-3020 | ||
Title of 12(b) Security | Common Stock, par value $0.01 per share | ||
Trading Symbol | ATRS | ||
Security Exchange Name | NASDAQ | ||
Entity Well-known Seasoned Issuer | No | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Accelerated Filer | ||
Entity Small Business | false | ||
Entity Emerging Growth Company | false | ||
ICFR Auditor Attestation Flag | true | ||
Entity Shell Company | false | ||
Entity Public Float | $ 739.4 | ||
Entity Common Stock, Shares Outstanding | 170,579,682 | ||
Auditor Name | KPMG LLP | ||
Auditor Location | Minneapolis, MN | ||
Auditor Firm ID | 185 |