7. Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cost	$ 1,658,900	$ 778,000
Accumulated Amortization	781,600	665,700
Net	877,300	112,300
Technology, trademarks
Useful Lives Minimum	5 years	5 years
Useful Lives Maximum	10 years	5 years
Cost	864,000	300,000
Accumulated Amortization	339,300	275,000
Net	524,700	25,000
Customer relationships
Useful Lives Minimum	10 years	10 years
Useful Lives Maximum	10 years	10 years
Cost	237,000	237,000
Accumulated Amortization	192,100	177,200
Net	44,900	59,800
Sublicense agreements
Useful Lives Minimum	10 years
Useful Lives Maximum	10 years
Cost	294,000
Accumulated Amortization	18,400
Net	275,600
Non-compete agreements
Useful Lives Minimum	5 years	5 years
Useful Lives Maximum	5 years	5 years
Cost	120,000	102,000
Accumulated Amortization	104,300	93,500
Net	15,700	8,500
Other intangible assets
Useful Lives Minimum	5 years	5 years
Useful Lives Maximum	5 years	5 years
Cost	143,900	139,000
Accumulated Amortization	127,500	120,000
Net	$ 16,400	$ 19,000