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Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Income Statement [Abstract]
Net Sales	$ 25,339	$ 23,938	$ 49,449	$ 46,144
Cost of Sales	15,034	14,092	29,671	27,268
Gross Profit	10,305	9,846	19,778	18,876
Operating Expenses:
Selling and Marketing	4,777	4,664	9,608	8,992
Research and Development	1,755	1,565	3,199	3,361
General and Administrative	2,025	1,783	3,676	3,241
Operating Expenses	8,557	8,012	16,483	15,594
Operating Income, net	1,748	1,834	3,295	3,282
Other Income (Expense)	40	21	(12)	254
Income before Income Taxes	1,788	1,855	3,283	3,536
Income Tax Provision	496	687	972	1,158
Net Income	$ 1,292	$ 1,168	$ 2,311	$ 2,378
Net Income per Common Share-Basic:	$ 0.17	$ 0.16	$ 0.31	$ 0.33
Net Income per Common Share-Diluted:	$ 0.17	$ 0.16	$ 0.31	$ 0.32
Weighted Average Number of Common Shares Outstanding:
Basic	7,418	7,278	7,388	7,269
Diluted	7,587	7,469	7,560	7,459
Dividends Declared Per Common Share	$ 0.07	$ 0.07	$ 0.14	$ 0.14

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