Quarterly report pursuant to Section 13 or 15(d)

Cover Page

Cover Page - shares
3 Months Ended
Mar. 31, 2024
May 15, 2024
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2024  
Document Transition Report false  
Entity File Number 333-232426  
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 213  
Local Phone Number 660.4250  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   281,930,398
Title of 12(b) Security Common Stock, $0.0001 par value  
Trading Symbol CRKN  
Security Exchange Name NASDAQ  
Amendment Flag false  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001761696  
Current Fiscal Year End Date --12-31