Condensed Consolidated Statements of Operations (Unaudited) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014
Net sales	$ 68,603,000	[1]	$ 68,996,000	[1]	$ 231,784,000	[1]	$ 225,605,000	[1]
Cost of products and services sold	52,298,000		55,281,000		176,316,000		176,011,000
Gross profit	16,305,000		13,715,000		55,468,000		49,594,000
Loss on sale of subsidiary (see Note 13)					565,000
Selling and administrative expenses	15,723,000		14,661,000		49,906,000		46,190,000
Operating income (loss)	582,000		(946,000)		5,340,000		3,404,000
Interest (income)	(8,000)		(2,000)		(17,000)		(16,000)
Interest expense	11,000		19,000		34,000		57,000
Income (loss) before income taxes	579,000		(963,000)		5,323,000		3,363,000
Income tax expense	186,000		46,000		1,815,000		1,637,000
Net income (loss)	393,000		(1,009,000)		3,508,000		1,726,000
Earnings (loss) per common share (see Note 4)
Basic (in Dollars per share)	$ 0.02		$ (0.04)		$ 0.14		$ 0.07
Diluted (in Dollars per share)	$ 0.02		$ (0.04)		$ 0.14		$ 0.07
Weighted average common shares outstanding
Basic (in Shares)	24,528		24,401		24,470		24,376
Diluted (in Shares)	24,643	[2]	24,401	[2]	24,550	[2]	24,545	[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 1,729,273 common shares and 1,235,650 common shares at March 31, 2015 and 2014, respectively, and options to purchase 2,272,823 common shares and 1,687,650 common shares at March 31, 2015 and 2014, respectively, were not included in the computation of the three month and nine month periods for diluted earnings per share, respectively, because the exercise price was greater than the average fair market value of the common shares.