CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Revenues	$ 7,134,500	$ 6,202,600
Cost of sales	4,175,800	3,845,200
Gross profit	2,958,700	2,357,400
Operating expenses:
General and administrative	1,277,700	1,230,600
Selling	723,100	714,200
Research and development	450,500	375,900
Total operating expenses	2,451,300	2,320,700
Income from operations	507,400	36,700
Other income (expense):
Interest income	6,800	12,800
Other income	11,400	17,000
Interest expense	(4,800)	(4,600)
Total Other Income	13,400	25,200
Income before income tax expense (benefit)	520,800	61,900
Current	106,800	15,500
Deferred	17,600	(19,700)
Total income tax expense (benefit)	124,400	(4,200)
Net income	$ 396,400	$ 66,100
Basic earnings per common share	$ 0.30	$ 0.05
Diluted earnings per common share	$ 0.30	$ 0.05
Weighted average common shares outstanding, basic	1,337,048	1,283,118
Weighted average common shares outstanding, assuming dilution	1,342,212	1,293,589