CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenues	$ 1,662,100	$ 1,436,100
Cost of sales	1,161,900	841,900
Gross profit	500,200	594,200
Operating expenses:
General & administrative	326,500	303,000
Selling	295,300	197,000
Research & development	107,100	97,200
Total operating expenses	728,900	597,200
Loss from operations	(228,700)	(3,000)
Other income (expense):
Investment income	800	3,100
Other income	6,200	3,700
Interest expense	(1,200)	(800)
Total other income expense, net	5,800	6,000
Income (loss) before income taxes (benefit)	(222,900)	3,000
Income tax expense (benefit): Current	(57,200)	(3,100)
Income tax expense (benefit): Deferred	(4,400)	4,000
Total income tax expense (benefit)	(61,600)	900
Net income (loss)	$ (161,300)	$ 2,100
Basic earnings (loss) per common share	$ (0.11)	$ 0.00
Diluted earnings (loss) per common share	$ (0.11)	$ 0.00
Cash dividends declared per common share	$ 0	$ 0.08