Marketable Securities (Tables)

9 Months Ended

Apr. 30, 2016

Marketable Securities: [Abstract]

Schedule of financial assets measured at fair value on recurring basis

	Fair value measurements at reporting date using
	Total								Total
	April 30,								July 31,
Description	2016		Level 1		Level 2		Level 3		2015		Level 1		Level 2		Level 3
Assets:
Marketable securities -
available-for-sale	$	1,433,692	$	1,433,692	$	–	$	–	$	1,461,504	$	1,461,504	$	–	$	–

Schedule of investments measured at fair value

			Unfunded	Redemption Frequency	Redemption
April 30, 2016	Fair Value		Commitments	(if currently eligible)	Notice Period
First Eagle Global CL I	$	286,365	n/a	Daily	None
Parnasus Core Equity Investor CL	$	304,356	n/a	Daily	None
			Unfunded	Redemption Frequency	Redemption
July 31, 2015	Fair Value		Commitments	(if currently eligible)	Notice Period
First Eagle Global CL I	$	271,462	n/a	Daily	None
Parnasus Core Equity Investor CL	$	305,626	n/a	Daily	None
Columbia Flexible Income CL A	$	271,076	n/a	Daily	None

Schedule of classified marketable securities

	April 30, 2016								July 31, 2015
			Gross		Gross						Gross		Gross
			Unrealized		Unrealized		Fair				Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
Noncurrent:
Available-for-sale:
Mutual funds	$	475,702	$	115,019	$	–	$	590,721	$	719,245	$	131,639	$	2,720	$	848,164
Equity securities		676,198		168,724		1,951		842,971		445,227		168,113		–		613,340
	$	1,151,900	$	283,743	$	1,951	$	1,433,692	$	1,164,472	$	299,752	$	2,720	$	1,461,504

Schedule of investment securities have been in a continuous unrealized loss position

	April 30, 2016				July 31, 2015
			Less Than				Less Than
	Fair Value		12 Months		Fair Value		12 Months
Corporate stock	$	215,529	$	1,951	$	-	$	-
Mutual funds		-		-		271,076		2,720
	$	215,529	$	1,951	$	271,076	$	2,720

Schedule of investment income

	Three Months Ended				Nine Months Ended
	April 30				April 30
	2016		2015		2016			2015
Gain (loss) on sale of marketable securities	$	1,539	$	6,069	$	(36,999	)	$	6,455
Interest income		3,785		860		5,450			2,147
Dividend income		4,329		6,596		48,344			37,467
Total	$	9,653	$	13,525	$	16,795		$	46,069