CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Revenues	$ 6,793,200	$ 7,134,500
Cost of sales	4,178,900	4,175,800
Gross profit	2,614,300	2,958,700
Operating expenses:
General & administrative	1,513,400	1,277,700
Selling	792,900	723,100
Research & development	426,700	450,500
Total operating expenses	2,733,000	2,451,300
Income (loss) from operations	(118,700)	507,400
Other income (expense):
Interest income	0	6,800
Other	14,800	11,400
Interest expense	(3,100)	(4,800)
Total other income	11,700	13,400
Income (loss) before income tax expense (benefit)	(107,000)	520,800
Income tax expense (benefit): Current	400	106,800
Income tax expense (benefit): Deferred	(32,100)	17,600
Total income tax expense (benefit)	(31,700)	124,400
Net income (loss)	$ (75,300)	$ 396,400
Basic earnings (loss) per common share	$ (0.05)	$ 0.30
Diluted earnings (loss) per common share	$ (0.05)	$ 0.30
Weighted average common shares outstanding, basic	1,385,054	1,337,048
Weighted average common shares outstanding, assuming dilution	1,385,054	1,342,212