CONDENSED STATEMENTS OF EARNINGS - USD ($)	3 Months Ended
	May 31, 2021	May 31, 2020
NET REVENUES	$ 40,807,900	$ 38,291,700
COST OF GOODS SOLD	12,029,900	11,395,500
Gross margin	28,778,000	26,896,200
OPERATING EXPENSES
Operating and selling	6,442,600	6,340,200
Sales commissions	12,966,700	13,600,500
General and administrative	5,139,000	4,536,000
Total operating expenses	24,548,300	24,476,700
INTEREST EXPENSE	167,800	182,200
OTHER INCOME	(598,700)	(406,600)
EARNINGS BEFORE INCOME TAXES	4,660,600	2,643,900
INCOME TAXES	1,222,500	712,800
NET EARNINGS	$ 3,438,100	$ 1,931,100
BASIC AND DILUTED EARNINGS PER SHARE
Basic (in Dollars per share)	$ 0.43	$ 0.23
Diluted (in Dollars per share)	$ 0.41	$ 0.23
WEIGHTED AVERAGE NUMBER OF COMMON AND EQUIVALENT SHARES OUTSTANDING
Basic (in Shares)	8,029,264	8,352,424
Diluted (in Shares)	8,481,980	8,352,424
Dividends per share (in Dollars per share)	$ 0.10	$ 0.06
Gross Sales [Member]
REVENUES	$ 52,391,600	$ 46,896,900
Discounts and Allowances [Member]
Less discounts and allowances	(15,954,100)	(12,895,900)
Transportation Revenue [Member]
REVENUES	$ 4,370,400	$ 4,290,700