8. Goodwill and Other Intangible Assets (Details) (USD $)	Sep. 30, 2012	Jun. 30, 2012
Cost	$ 1,661,000	$ 1,658,900
Accumulated Amortization	810,400	781,600
Net	850,600	877,300
Technology, trademarks
Useful Lives Minimum	5 years	5 years
Useful Lives Maximum	10 years	10 years
Cost	864,000	864,000
Accumulated Amortization	354,900	339,300
Net	509,100	524,700
Customer relationships
Useful Lives Maximum	10 years	10 years
Cost	237,000	237,000
Accumulated Amortization	195,400	192,100
Net	41,600	44,900
Sublicense agreements
Useful Lives Maximum	10 years	10 years
Cost	294,000	294,000
Accumulated Amortization	25,700	18,400
Net	268,300	275,600
Non-compete agreements
Useful Lives Maximum	5 years	5 years
Cost	120,000	120,000
Accumulated Amortization	105,200	104,300
Net	14,800	15,700
Other intangible assets
Useful Lives Maximum	5 years	5 years
Cost	146,000	143,900
Accumulated Amortization	129,200	127,500
Net	$ 16,800	$ 16,400