Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2019
Mar. 30, 2020
Document and Entity Information    
Entity Registrant Name NEXGEL, INC.  
Document Type 10-K/A  
Amendment Flag false  
Entity Central Index Key 0001468929  
Document Period End Date Dec. 31, 2019  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status No  
Entity Filer Category Non-accelerated Filer  
Entity Interactive Data Current Yes  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus FY  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Well Known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Public Float $ 0  
Entity Common Stock, Shares Outstanding   73,005,208