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Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 28, 2018	Jul. 29, 2017	Jul. 28, 2018	Jul. 29, 2017
Income Statement [Abstract]
Revenue	$ 33,807	$ 27,483	$ 65,294	$ 51,941
Cost of Revenue	20,408	17,224	39,784	32,376
Gross Profit	13,399	10,259	25,510	19,565
Operating Expenses:
Selling and Marketing	6,397	5,315	12,898	10,426
Research and Development	2,029	1,675	3,721	3,307
General and Administrative	2,808	2,327	5,462	4,183
Operating Expenses	11,234	9,317	22,081	17,916
Operating Income, net	2,165	942	3,429	1,649
Other Income (Expense)	(512)	16	(782)	(33)
Income before Income Taxes	1,653	958	2,647	1,616
Income Tax Provision	459	231	639	378
Net Income	$ 1,194	$ 727	$ 2,008	$ 1,238
Net Income per Common Share-Basic:	$ 0.17	$ 0.11	$ 0.29	$ 0.17
Net Income per Common Share-Diluted:	$ 0.17	$ 0.11	$ 0.29	$ 0.17
Weighted Average Number of Common Shares Outstanding:
Basic	6,859,532	6,726,623	6,824,532	7,097,183
Diluted	7,082,508	6,837,836	6,999,478	7,218,421
Dividends Declared Per Common Share	$ 0.07	$ 0.07	$ 0.14	$ 0.14

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