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Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Income Statement [Abstract]
Revenue	$ 27,483	$ 25,339	$ 51,941	$ 49,449
Cost of Revenue	17,224	15,034	32,376	29,671
Gross Profit	10,259	10,305	19,565	19,778
Operating Expenses:
Selling and Marketing	5,315	4,777	10,426	9,608
Research and Development	1,675	1,755	3,307	3,199
General and Administrative	2,327	2,025	4,183	3,676
Operating Expenses	9,317	8,557	17,916	16,483
Operating Income, net	942	1,748	1,649	3,295
Other Income (Expense)	16	40	(33)	(12)
Income before Income Taxes	958	1,788	1,616	3,283
Income Tax Provision	231	496	378	972
Net Income	$ 727	$ 1,292	$ 1,238	$ 2,311
Net Income per Common Share-Basic:	$ 0.11	$ 0.17	$ 0.17	$ 0.31
Net Income per Common Share-Diluted:	$ 0.11	$ 0.17	$ 0.17	$ 0.31
Weighted Average Number of Common Shares Outstanding:
Basic	6,726,623	7,418,312	7,097,183	7,388,123
Diluted	6,837,836	7,586,612	7,218,421	7,560,145
Dividends Declared Per Common Share	$ 0.07	$ 0.07	$ 0.14	$ 0.14

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