CONSOLIDATED STATEMENTS OF INCOME (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Sales	$ 14,588,000	$ 10,124,000	$ 24,160,000	$ 18,658,000
Costs and Expenses:
Cost of sales	7,816,000	5,482,000	12,728,000	9,528,000
Research and development	552,000	87,000	1,115,000	181,000
Selling, general and administrative	3,374,000	2,229,000	6,553,000	4,551,000
Interest income	(41,000)	(80,000)	(87,000)	(166,000)
Operating Expenses, Total	11,701,000	7,718,000	20,309,000	14,094,000
Income before income taxes	2,887,000	2,406,000	3,851,000	4,564,000
Provision for income taxes	941,000	725,000	1,185,000	1,450,000
Net income	$ 1,946,000	$ 1,681,000	$ 2,666,000	$ 3,114,000
Earnings per share:
Basic (in dollars per share)	$ 0.23	$ 0.20	$ 0.31	$ 0.37
Diluted (in dollars per share)	$ 0.23	$ 0.20	$ 0.31	$ 0.37
Average number of common shares outstanding:
Basic (in shares)	8,473,638	8,506,517	8,497,636	8,506,385
Diluted (in shares)	8,488,411	8,529,018	8,522,928	8,521,635