v3.19.3
Document And Entity Information
9 Months Ended
Sep. 30, 2019
Document Information [Line Items]  
Entity Registrant Name Adynxx, Inc.
Entity Central Index Key 0001054274
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
Entity Small Business true
Document Type S-1/A
Document Period End Date Sep. 30, 2019
Amendment Flag true
Amendment Description AMENDMENT NO.5
Entity Ex Transition Period false