Consolidated Statements of Income (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Income
Net sales	$ 29,538,275	$ 31,664,181
Cost of sales	18,451,673	19,720,948
Gross profit	11,086,602	11,943,233
Selling, general, and administrative expenses	9,860,964	10,506,460
Research and development expenses	1,120,887	1,410,406
Operating income	104,751	26,367
Other income (expense):
Interest income	681	16,183
Interest expense	(260,699)	(261,993)
Other income, net	24,142	29,202
Total other income (expense)	(235,876)	(216,608)
Loss before income tax benefit	(131,125)	(190,241)
Income tax benefit	86,754	166,706
Net loss	$ (44,371)	$ (23,535)
Basic and diluted net loss per common share	$ (0.02)	$ (0.01)
Weighted-average basic and diluted common shares outstanding	2,526,533	2,562,203