Condensed Consolidated Statements of Income (USD $)	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Net sales	$ 7,996,802	$ 7,919,288
Cost of sales	4,994,704	4,967,455
Gross profit	3,002,098	2,951,833
Selling, general, and administrative expenses	2,694,867	2,500,517
Research and development expenses	356,347	349,796
Operating income (loss)	(49,116)	101,520
Interest income	915	972
Interest expense	(63,236)	(77,669)
Other income, net	5,509	4,914
Net other income (expense)	(56,812)	(71,783)
Income (loss) before income tax provision	(105,928)	29,737
Income tax benefit (provision)	37,669	(12,725)
Net income (loss)	$ (68,259)	$ 17,012
Basic and diluted net income (loss) per common share	$ (0.01)	$ 0.00
Basic	12,961,381	13,452,812
Diluted	12,961,381	13,462,110