v3.26.3
Document And Entity Information
3 Months Ended
Jun. 30, 2026
Document Information Line Items  
Entity Central Index Key 0002089449
Document Type F-4
Entity Registrant Name Isdera Inc
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 4th Floor, Harbour Place
Entity Address, Address Line Two 103 South Church Street, P.O. Box 10240
Entity Address, City or Town Grand Cayman
Entity Address, Country KY
City Area Code 412
Local Phone Number 947-0514
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Business Contact [Member]  
Document Information Line Items  
Entity Address, Address Line One 850 Library Ave
Entity Address, Address Line Two Suite 204
Entity Address, City or Town Newark
City Area Code 302
Local Phone Number 738-6680
Contact Personnel Name Puglisi & Associates
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19711