Consolidated Statements of Income (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements of Income
Net sales	$ 27,444,223	$ 29,538,275
Cost of sales	17,423,851	18,451,673
Gross profit	10,020,372	11,086,602
Selling, general, and administrative expenses	9,213,433	9,860,964
Research and development expenses	992,729	1,120,887
Operating income	(185,790)	104,751
Other income (expense):
Interest income	44	681
Interest expense	(231,865)	(260,699)
Other income, net	20,446	24,142
Total other income (expense)	(211,375)	(235,876)
Loss before income tax benefit	(397,165)	(131,125)
Income tax benefit	126,023	86,754
Net loss	$ (271,142)	$ (44,371)
Basic and diluted net loss per common share	$ (0.11)	$ (0.02)
Weighted-average basic and diluted common shares outstanding	2,519,490	2,526,533