CONDENSED STATEMENTS OF EARNINGS (UNAUDITED) (USD $)	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
GROSS SALES	$ 12,360,600	$ 11,710,800	$ 30,802,800	$ 30,702,800
Less discounts and allowances	(4,195,000)	(4,129,800)	(11,317,500)	(11,455,600)
Transportation revenue	336,400	283,400	722,300	676,200
NET REVENUES	8,502,000	7,864,400	20,207,600	19,923,400
COST OF SALES	3,294,500	3,051,200	8,431,700	7,967,300
Gross margin	5,207,500	4,813,200	11,775,900	11,956,100
OPERATING EXPENSES:
Operating and selling	2,048,800	1,899,100	5,386,300	5,004,800
Sales commissions	1,741,900	1,582,700	3,767,700	3,759,200
General and administrative	495,500	480,100	1,516,000	1,560,800
Total operating expenses	4,286,200	3,961,900	10,670,000	10,324,800
OTHER INCOME (EXPENSE)	6,100	(6,900)	12,500	(5,800)
EARNINGS BEFORE INCOME TAXES	927,400	844,400	1,118,400	1,625,500
INCOME TAXES	379,600	318,700	447,600	611,400
NET EARNINGS	$ 547,800	$ 525,700	$ 670,800	$ 1,014,100
BASIC AND DILUTED EARNINGS PER SHARE:
Basic (in Dollars per share)	$ 0.14	$ 0.13	$ 0.17	$ 0.26
Diluted (in Dollars per share)	$ 0.14	$ 0.13	$ 0.17	$ 0.26
DIVIDENDS PER SHARE (in Dollars per share)	$ 0.08	$ 0.12	$ 0.24	$ 0.36
WEIGHTED AVERAGE NUMBER OF COMMON AND EQUIVALENT SHARES OUTSTANDING:
Basic (in Shares)	3,964,830	3,939,592	3,967,092	3,927,462
Diluted (in Shares)	3,964,830	3,939,592	3,967,092	3,927,462