Condensed Consolidated Statements of Operations (Unaudited) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2014		Dec. 31, 2013
Net sales	$ 84,715,000	[1]	$ 76,123,000	[1]	$ 163,181,000		$ 156,609,000
Cost of products and services sold	64,160,000		59,366,000		124,018,000		120,730,000
Gross profit	20,555,000		16,757,000		39,163,000		35,879,000
Loss on sale of subsidiary (see Note 13)					565,000
Selling and administrative expenses	18,331,000		15,246,000		34,183,000		31,529,000
Operating income	2,224,000		1,511,000		4,758,000		4,350,000
Interest (income)	(6,000)		(7,000)		(9,000)		(14,000)
Interest expense	12,000		19,000		23,000		38,000
Income before income taxes	2,218,000		1,499,000		4,744,000		4,326,000
Income tax expense	630,000		629,000		1,629,000		1,591,000
Net income	1,588,000		870,000		3,115,000		2,735,000
Earnings per common share (see Note 4)
Basic (in Dollars per share)	$ 0.06		$ 0.04		$ 0.13		$ 0.11
Diluted (in Dollars per share)	$ 0.06		$ 0.04		$ 0.13		$ 0.11
Weighted average common shares outstanding
Basic (in Shares)	24,449		24,373		24,442		24,363
Diluted (in Shares)	24,507	[2]	24,627	[2]	24,506	[2]	24,530	[2]
Building [Member]
Gain on sale of building					$ (343,000)

[1] Net sales are attributed to geographic areas based upon the location of the operation making the sale.

[2] Options to purchase 2,377,900 common shares and 1,197,150 common shares at December 31, 2014 and 2013, respectively, and options to purchase 2,371,900 common shares and 1,676,650 common shares at December 31, 2014 and 2013, respectively, were not included in the computation of the three month and six month periods for diluted earnings per share, respectively, because the exercise price was greater than the average fair market value of the common shares.