Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Net sales		$ 92,305	$ 85,658	$ 179,771	$ 169,817
Cost of products and services sold		66,998	63,611	130,761	126,432
Restructuring costs			640		1,143
Gross profit		25,307	21,407	49,010	42,242
Restructuring costs			57		210
Impairment of goodwill				28,000
Selling and administrative expenses		20,760	18,532	41,277	38,148
Operating income (loss)		4,547	2,818	(20,267)	3,884
Interest (income)		(8)	(28)	(16)	(55)
Interest expense		425	8	836	21
Income (loss) before income taxes		4,130	2,838	(21,087)	3,918
Income tax expense (benefit)		5,598	832	(3,990)	1,083
Net (loss) income		$ (1,468)	$ 2,006	$ (17,097)	$ 2,835
(Loss) Earnings per common share (see Note 4)
Basic (in dollars per share)		$ (0.06)	$ 0.08	$ (0.66)	$ 0.11
Diluted (in dollars per share)		$ (0.06)	$ 0.08	$ (0.66)	$ 0.11
Weighted average common shares outstanding
Basic (in shares)		25,858	25,314	25,824	25,294
Diluted (in shares)	[1]	25,858	25,803	25,824	25,859

[1] Options to purchase 3,569,762 common shares and 1,682,270 common shares for the three months ended December 31, 2017 and 2016, respectively, and options to purchase 3,549,705 common shares and 1,626,770 common shares for the six months ended December 31, 2017 and 2016, respectively were not included in the computation of the three month and six month period for diluted earnings per share, respectively, because the exercise price was greater than the average fair market value of the common shares. For the three and six months ended December 31, 2017, the effect of dilutive securities was not included in the calculation of diluted earnings (loss) per share because there was a net operating loss for the period.