Condensed Consolidated Statements of Income (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 38,543	$ 39,062
Cost of sales	24,656	24,647
Gross profit	13,887	14,415
Operating Expenses:
Marketing	2,131	2,539
Research and development	3,223	3,334
General and administrative	4,174	4,550
Total operating expenses	9,528	10,423
Operating income	4,359	3,992
Other income (expense):
Interest expense	(19)	(18)
Other income	93	223
Total other income, net	74	205
Income before income tax expense	4,433	4,197
Income tax expense	1,450	1,343
Net income	$ 2,983	$ 2,854
Earnings per share:
Basic (in Dollars per share)	$ 0.24	$ 0.22
Diluted (in Dollars per share)	$ 0.23	$ 0.21
Weighted average common shares outstanding:
Basic (in Shares)	12,649	12,999
Diluted (in Shares)	13,193	13,676