v3.22.2.2
Cover
Sep. 21, 2022
Entity Addresses [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 21, 2022
Current Fiscal Year End Date --12-31
Entity File Number 000-50099
Entity Registrant Name Grapefruit USA, Inc.
Entity Central Index Key 0001205181
Entity Tax Identification Number 95-4451059
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 10866 Wilshire Blvd.
Entity Address, Address Line Two Suite 225
Entity Address, City or Town Los Angeles
Entity Address, State or Province CA
Entity Address, Postal Zip Code 90024
City Area Code (310)
Local Phone Number 575-1175
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Former Address [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 1000 Northwest Street
Entity Address, Address Line Two Mid-Town Brandy Wine
Entity Address, Address Line Three Suite 1200-3094
Entity Address, City or Town Wilmington
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19801