MARKETABLE SECURITIES

12 Months Ended

Jul. 31, 2020

Investments, Debt and Equity Securities [Abstract]

MARKETABLE SECURITIES

2. MARKETABLE SECURITIES:

As of July 31, 2020 and 2019, the Company’s marketable securities were classified as follows:

	July 31, 2020									July 31, 2019
			Gross		Gross							Gross		Gross
			Unrealized		Unrealized			Fair				Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value		Cost		Gains		Losses			Value
Non-current:
Available-for-sale:
Mutual funds	$	1,077,493	$	297,064		$	—	$	1,374,557	$	845,306	$	264,425		$	—	$	1,109,731
Corporate equity
securities		1,553,275		823,010			5,937		2,370,348		1,656,156		814,340			—		2,470,496
	$	2,630,768	$	1,120,074		$	5,937	$	3,744,905	$	2,501,462	$	1,078,765		$	—	$	3,580,227

Investment income for the years ended July 31, 2020 and 2019 consists of the following:

	2020		2019
Interest income	$	20,446	$	56,918
Dividend income		96,569		105,687
Gain on sale of marketable securities		28,546		46,415
Total	$	145,561	$	209,020