v3.25.2
Cover
Jun. 26, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 26, 2025
Entity File Number 001-41390
Entity Registrant Name OSR HOLDINGS, INC.
Entity Central Index Key 0001840425
Entity Tax Identification Number 85-5052822
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 10900 NE 4th Street
Entity Address, Address Line Two Suite 2300
Entity Address, City or Town Bellevue
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98004
City Area Code 425
Local Phone Number 635-7700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Common stock, par value $0.0001 per share  
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol OSRH
Security Exchange Name NASDAQ
Redeemable warrants, exercisable for shares of common stock at an exercise price of $11.50 per share  
Title of 12(b) Security Redeemable warrants, exercisable for shares of common stock at an exercise price of $11.50 per share
Trading Symbol OSRHW
Security Exchange Name NASDAQ