Annual report [Section 13 and 15(d), not S-K Item 405]

Cover Page

v3.25.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Mar. 28, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 333-249833    
Entity Registrant Name Crown Electrokinetics Corp.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-5423944    
Entity Address, Address Line One 1110 NE Circle Blvd    
Entity Address, City or Town Corvallis    
Entity Address, State or Province OR    
Entity Address, Postal Zip Code 97330    
City Area Code (458)    
Local Phone Number 212-2500    
Title of 12(b) Security Common Stock, Par Value $0.0001 Per Share    
Trading Symbol CRKN    
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] true    
Document Financial Statement Restatement Recovery Analysis [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 14.8
Entity Common Stock, Shares Outstanding   1,737,954  
Entity Central Index Key 0001761696    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false