4. Fair Value of Financial Instruments (Tables)

9 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value Inputs

	Fair Value Measurements Using Inputs Considered as
Assets:
	Fair Value at March 31, 2017		Level 1		Level 2		Level 3
Cash and cash equivalents	$	1,211,300	$	1,211,300	$	—	$	—
Available for sale securities		294,000		294,000		—		—
Total	$	1,505,300	$	1,505,300	$	—	$	—
Liabilities:
Contingent consideration	$	180,200	$	—	$	—	$	180,200

		Fair Value Measurements Using Inputs Considered as
Assets:
		Fair Value at June 30, 2016		Level 1		Level 2		Level 3
Cash and cash equivalents	$	1,245,000	$	1,245,000	$	—	$	—
Available for sale securities		290,100		290,100		—		—
Total	$	1,535,100	$	1,535,100	$	—	$	—
Liabilities:
Contingent consideration	$	346,300	$	—	$	—	$	346,300

Changes to Level 3 Financial Liabilities

Beginning balance, June 30, 2016	$	346,300
Payments		(166,100	)
Ending Balance, March 31, 2017	$	180,200

Investments in Marketable Securitites

	Cost		Fair Value		Unrealized Holding Gain (Loss)
At March 31, 2017:
Available for sale:
Equity securities	$	37,000	$	49,500	$	12,500
Mutual funds		261,700		244,500		(17,200	)
	$	298,700	$	294,000	$	(4,700	)

		Cost		Fair Value		Unrealized Holding Gain (Loss)
At June 30, 2016:
Available for sale:
Equity securities	$	29,300	$	40,700	$	11,400
Mutual funds		259,900		249,400		(10,500	)
	$	289,200	$	290,100	$	900