Consolidated Statements of Income - USD ($)	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements of Income
Net sales	$ 7,397,196	$ 7,216,324
Cost of sales	4,886,367	4,648,752
Gross profit	2,510,829	2,567,572
Selling, general, and administrative expenses	2,355,655	2,251,629
Research and development expenses	265,361	216,827
Operating income (loss)	(110,187)	99,116
Other income (expense):
Interest income	614	2,321
Interest expense	(80,243)	(48,293)
Other income, net	2,604	3,342
Net other expense	(77,025)	(42,630)
Income (loss) before income taxes	(187,212)	56,486
Income tax (provision) benefit	5,650	(15,563)
Net income (loss)	(181,562)	40,923
8% Convertible preferred stock dividend	(80,500)
Net income (loss) applicable to common stockholders	$ (262,062)	$ 40,923
Basic and diluted net income (loss) per common share	$ (0.10)	$ 0.02
Weighted-average common shares outstanding:
Basic	2,643,297	2,520,389
Diluted	2,643,297	2,523,472