Income Taxes: - Income Tax Expenses and Deferred Tax Assets (Details) - USD ($)	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023
Income Taxes:
U.S. federal income tax rate (as a percent)	21.00%	21.00%
Actual income tax benefit
Expected expense (benefit)	$ 280,441	$ 192,421
Taxed directly to Dr. Burzynski	280,441	192,421
Nondeductible expenses and other adjustments	(2,394)	3,136
Change in valuation allowance	2,394	(3,136)
State taxes	0	0
Provision for income tax	0	0
Deferred tax assets:
Net operating loss carryforwards	121,628	119,234
Alternative minimum tax credit carryforwards	42,603	42,603
Total deferred tax assets	164,231	161,837
Less valuation allowance	164,231	161,837
Net deferred tax assets	0	0
Historical earnings	$ 0	$ 0