COVER PAGE - shares	3 Months Ended
	Mar. 31, 2022	May 10, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
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		119,377,286
Entity Central Index Key	0000819050
Document Fiscal Period Focus	Q1
Amendment Flag	false
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31