5. Fair Value of Financial Instruments (Details) - USD ($)	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Assets
Cash and cash equivalents	$ 666,900	$ 482,000	$ 244,000	$ 493,700
Restricted cash	300,000	300,000
Available for sale securities	278,200	281,800
Total	1,245,100	1,063,800
Liabilities:
Contingent consideration	266,200	367,100
Level 1
Assets
Cash and cash equivalents	666,900	482,000
Restricted cash	300,000	300,000
Available for sale securities	278,200	281,800
Total	1,245,100	1,063,800
Liabilities:
Contingent consideration	0	0
Level 2
Assets
Cash and cash equivalents	0	0
Restricted cash	0	0
Available for sale securities	0	0
Total	0	0
Liabilities:
Contingent consideration	0	0
Level 3
Assets
Cash and cash equivalents	0	0
Restricted cash	0	0
Available for sale securities	0	0
Total	0	0
Liabilities:
Contingent consideration	$ 266,200	$ 367,100