Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
3 Months Ended
Mar. 31, 2020
May 01, 2020
Cover [Abstract]    
Entity Registrant Name SCYNEXIS INC  
Trading Symbol SCYX  
Entity Central Index Key 0001178253  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Document Type 10-Q  
Document Period End Date Mar. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   98,587,061
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity File Number 001-36365  
Entity Tax Identification Number 56-2181648  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 1 Evertrust Plaza  
Entity Address, Address Line Two 13th Floor  
Entity Address, City or Town Jersey City  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07302-6548  
City Area Code 201  
Local Phone Number 884-5485  
Document Quarterly Report true  
Document Transition Report false  
Title of Each Class Common Stock, par value $0.001 per share  
Name of Each Exchange on Which Registered NASDAQ