Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Nov. 13, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	0-25466
Entity Registrant Name	CYCLO THERAPEUTICS, INC
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	59-3029743
Entity Address, Address Line One	6714 NW 16th Street, Suite B
Entity Address, City or Town	Gainesville
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	32653
City Area Code	386
Local Phone Number	418-8060
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 (in shares)		22,732,402
Entity Central Index Key	0000922247
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $.0001 per share
Trading Symbol	CYTH
Security Exchange Name	NASDAQ
Warrants To Purchase Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants to purchase Common Stock
Trading Symbol	CYTHW
Security Exchange Name	NASDAQ