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Condensed Consolidated Statements of Operations (USD $)	3 Months Ended
	Apr. 30, 2011	May 01, 2010
Condensed Consolidated Statements of Operations
Net Sales	$ 18,859,989	$ 17,077,004
Cost of Sales	11,358,701	10,211,860
Gross Profit	7,501,288	6,865,144
Costs and Expenses:
Selling and Marketing	4,565,539	3,840,868
General and Administrative	910,931	1,183,785
Research and Development	1,467,861	1,218,875
Operating Expenses	6,944,331	6,243,528
Operating Income	556,957	621,616
Other Income	150,320	107,277
Income Before Income Taxes	707,277	728,893
Income Tax Provision	275,838	298,846
Net Income	$ 431,439	$ 430,047
Net Income per Common Share:
Basic	$ 0.06	$ 0.06
Diluted	$ 0.06	$ 0.06
Weighted Average Number of Shares Outstanding:
Basic	7,267,310	7,194,296
Diluted	7,416,230	7,474,873
Dividends Declared Per Common Share	$ 0.07	$ 0.07

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