Quarterly report pursuant to Section 13 or 15(d)


COVER PAGE - shares
6 Months Ended
Jun. 30, 2020
Aug. 12, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2020  
Document Transition Report false  
Entity File Number 000-21088  
Entity Registrant Name BRICKELL BIOTECH, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-0948554  
Entity Address, Address Line One 5777 Central Avenue,  
Entity Address, City or Town Boulder,  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80301  
City Area Code 720  
Local Phone Number 505-4755  
Title of 12(b) Security Common stock, $0.01 par value per share  
Trading Symbol BBI  
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   27,787,081
Entity Central Index Key 0000819050  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Current Fiscal Year End Date --12-31