Condensed Consolidated Statements of Income - USD ($)	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Condensed Consolidated Statements of Income
Net sales	$ 12,797,971	$ 8,162,734
Cost of sales	8,458,580	5,368,046
Gross profit	4,339,391	2,794,688
Selling, general, and administrative expenses	3,822,702	2,764,357
Research and development expenses	251,848	278,885
Operating profit (loss)	264,841	(248,554)
Other income (expense):
Interest income		222
Interest expense	(76,808)	(59,542)
Other income, net	10,614	22,241
Net other expense	(66,194)	(37,079)
Income (loss) before income taxes	198,647	(285,633)
Net income (loss)	198,647	(285,633)
8% Convertible preferred stock dividend, in common stock	(187,061)	(88,985)
Net income (loss) attributable to common stockholders	$ 11,586	$ (374,618)
Basic and diluted net income (loss) per common share	$ 0.00	$ (0.13)
Weighted-average common shares outstanding:
Basic	4,748,049	2,841,486
Diluted	4,748,309	2,841,486