Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Nov. 30, 2024

Notes Tables

Marketable Securities [Table Text Block]

November 30, 2024			Gross		Gross
			Unrealized		Unrealized
Marketable Securities:	Cost		Gains		Losses			Fair Value
Common Stocks	$	574,000	$	454,000	$	(5,000	)	$	1,023,000

February 29, 2024			Gross		Gross
			Unrealized		Unrealized
Marketable Securities:	Cost		Gains		Losses			Fair Value
Common Stocks	$	581,000	$	375,000	$	(52,000	)	$	904,000

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

November 30, 2024	Level 1		Level 2		Level 3		Total
Common Stocks	$	1,023,000	$	-	$	-	$	1,023,000

February 29, 2024	Level 1		Level 2		Level 3		Total
Common Stocks	$	904,000	$	-	$	-	$	904,000

Property, Plant and Equipment [Table Text Block]

Building (years)		39
Building Improvements (years)		15
Leasehold Improvements	Shorter of 10 years or life of lease
Machinery and Equipment (years)		5