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Condensed Consolidated Statements Of Operations (USD $)	3 Months Ended		6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010
Condensed Consolidated Statements Of Operations
Net Sales	$ 20,335,676	$ 17,753,057	$ 39,195,665	$ 34,830,060
Cost of Sales	12,434,648	10,728,926	23,793,350	20,940,786
Gross Profit	7,901,028	7,024,131	15,402,315	13,889,274
Costs and Expenses:
Selling and Marketing	4,526,112	4,276,478	9,091,650	8,117,346
General and Administrative	964,210	1,064,193	1,875,141	2,247,978
Research and Development	1,187,406	1,135,337	2,655,268	2,354,212
Operating Expenses	6,677,728	6,476,008	13,622,059	12,719,536
Operating Income	1,223,300	548,123	1,780,256	1,169,738
Other Income (Expense)	296,962	(1,043)	447,282	106,235
Income Before Income Taxes	1,520,262	547,080	2,227,538	1,275,973
Income Tax Provision	474,423	224,303	750,260	523,149
Net Income	$ 1,045,839	$ 322,777	$ 1,477,278	$ 752,824
Net Income per Common Share:
Basic	$ 0.14	$ 0.04	$ 0.20	$ 0.10
Diluted	$ 0.14	$ 0.04	$ 0.20	$ 0.10
Weighted Average Number of Shares Outstanding:
Basic	7,292,986	7,300,722	7,280,211	7,247,802
Diluted	7,445,536	7,505,203	7,423,539	7,488,323
Dividends Declared Per Common Share	$ 0.07	$ 0.07	$ 0.14	$ 0.14

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