Consolidated Statements of Income (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Net sales	$ 31,664,181	$ 32,692,859
Cost of sales	19,720,948	20,208,035
Gross profit	11,943,233	12,484,824
Selling, general, and administrative expenses	10,506,460	10,431,463
Research and development expenses	1,410,406	1,383,712
Operating income (loss)	26,367	669,649
Interest income	16,183	16,395
Interest expense	(261,993)	(294,404)
Other income, net	29,202	27,224
Net other income (expense)	(216,608)	(250,785)
Income (loss) before income tax provision	(190,241)	418,864
Income tax benefit (provision)	166,706	(147,976)
Net income (loss)	$ (23,535)	$ 270,888
Basic and diluted net income (loss) per common share	$ 0.00	$ 0.02
Basic	12,811,017	13,332,583
Diluted	12,811,017	13,367,049