Document and Entity Information - USD ($)	12 Months Ended
	Feb. 29, 2020	May 01, 2020	Aug. 30, 2019
Document and Entity Information
Entity Registrant Name	BURZYNSKI RESEARCH INSTITUTE INC
Entity Central Index Key	0000724445
Document Type	10-K
Document Period End Date	Feb. 29, 2020
Amendment Flag	false
Entity Current Reporting Status	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		131,448,444
Current Fiscal Year End Date	--02-29
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Public Float			$ 923,828.66