8. Goodwill and Other Intangible Assets (Details) (USD $)	Dec. 31, 2012	Jun. 30, 2012
Cost	$ 1,661,000	$ 1,658,900
Accumulated Amortization	838,900	781,600
Net	822,100	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	370,600	339,300
Net	493,400	524,700
Customer relationships
Useful Lives Maximum	10 years	10 years
Cost	237,000	237,000
Accumulated Amortization	198,400	192,100
Net	38,600	44,900
Sublicense agreements
Useful Lives Maximum	10 years	10 years
Cost	294,000	294,000
Accumulated Amortization	33,100	18,400
Net	260,900	275,600
Non-compete agreements
Useful Lives Maximum	5 years	5 years
Cost	120,000	120,000
Accumulated Amortization	106,000	104,300
Net	14,000	15,700
Other intangible assets
Useful Lives Maximum	5 years	5 years
Cost	146,000	143,900
Accumulated Amortization	130,800	127,500
Net	$ 15,200	$ 16,400