XML 16 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Feb. 28, 2022
Jun. 30, 2021
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Entity File Number 001-36177    
Entity Registrant Name GlycoMimetics, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 06-1686563    
Entity Address, Address Line One 9708 Medical Center Drive    
Entity Address, City or Town Rockville    
Entity Address, State or Province MD    
Entity Address, Postal Zip Code 20850    
City Area Code 240    
Local Phone Number 243-1201    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol GLYC    
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    
Entity Shell Company false    
ICFR Auditor Attestation Flag false    
Entity Public Float     $ 117.5
Entity Common Stock, Shares Outstanding   52,313,894  
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001253689    
Current Fiscal Year End Date --12-31    
Amendment Flag false    
Auditor Firm ID 42    
Auditor Name Ernst & Young LLP    
Auditor Location Baltimore, Maryland