5. Fair Value of Financial Instruments (Details) (USD $)	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Jun. 30, 2011
Cash and cash equivalents	$ 748,600	$ 769,300	$ 783,100	$ 907,800
Available for sale securities	730,000	718,300
Total	1,478,600	1,478,600
Contingent consideration	107,400	107,400
Level 1
Cash and cash equivalents	748,600	769,300
Available for sale securities	730,000	718,300
Total	1,478,600	1,487,600
Contingent consideration	107,400	107,400
Level 2
Cash and cash equivalents
Available for sale securities
Total
Contingent consideration
Level 3
Cash and cash equivalents
Available for sale securities
Total
Contingent consideration	$ 107,400	$ 107,400