v3.25.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2025
Aug. 04, 2025
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Securities Act File Number 001-39724  
Entity Registrant Name LIQUIDIA CORPORATION  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 85-1710962  
Entity Address, Address Line One 419 Davis Drive, Suite 100  
Entity Address, City or Town Morrisville  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 27560  
City Area Code 919  
Local Phone Number 328-4400  
Title of 12(b) Security Common stock, $0.001 par value per share  
Trading Symbol LQDA  
Security Exchange Name NASDAQ  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   86,091,454
Entity Central Index Key 0001819576  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false