Consolidated Statements of Income (USD $)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Consolidated Statements of Income
Net sales	$ 7,055,428	$ 7,206,025
Cost of sales	4,474,359	4,495,177
Gross profit	2,581,069	2,710,848
Selling, general, and administrative expenses	2,379,369	2,459,104
Research and development expenses	314,823	266,268
Operating loss	(113,123)	(14,524)
Other income (expense):
Interest income	3	329
Interest expense	(59,913)	(66,767)
Other income, net	4,524	7,353
Net other income (expense)	(55,386)	(59,085)
Loss before income taxes	(168,509)	(73,609)
Income tax benefit	60,725	22,464
Net loss	$ (107,784)	$ (51,145)
Basic and diluted net loss per common share	$ (0.04)	$ (0.02)
Weighted-average common shares outstanding:
Basic	2,518,904	2,537,730
Diluted	2,518,904	2,537,730