v3.25.1
Document and Entity Information
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
shares
Document Type 10-K/A
Document Annual Report true
Document Transition Report false
Document Period End Date Dec. 31, 2024
Entity File Number 001-38869
Entity Registrant Name HOOKIPA PHARMA INC.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 81-5395687
Entity Address State Or Province NY
Entity Address, Address Line One 350 Fifth Avenue, 72nd Floor, Suite 7240
Entity Address, City or Town New York
Entity Address, Postal Zip Code 10118
Country Region +43
City Area Code 1
Local Phone Number 890 63 60
Title of 12(b) Security Common Stock, $0.0001 Par Value per Share
Trading Symbol HOOK
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 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 | $ $ 57.0
Entity Central Index Key 0001760542
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2024
Document Fiscal Period Focus FY
Amendment Flag false
Common stock  
Entity Common Stock, Shares Outstanding 9,782,872
Class A common stock  
Entity Common Stock, Shares Outstanding 2,399,517