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Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Revenues	$ 22,673	$ 21,114
Cost of revenues	10,002	9,100
Gross profit	12,671	12,014
Operating expenses
Selling	2,679	2,424
General and administrative	6,857	5,980
Research and development	1,153	1,035
Total operating expenses	10,689	9,439
Operating income	1,982	2,575
Other expense, net	679	406
Earnings before income taxes	1,303	2,169
Income tax benefit (expense)	214	(239)
Net income	$ 1,517	$ 1,930
Net income per share:
Basic (in dollars per share)	$ 0.41	$ 0.53
Diluted (in dollars per share)	$ 0.39	$ 0.51
Weighted average common shares outstanding:
Basic (in shares)	3,736	3,646
Diluted (in shares)	3,923	3,802

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