XML 32 R22.htm IDEA: XBRL DOCUMENT

Marketable Securities (Tables)

3 Months Ended

Oct. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of financial assets measured at fair value on recurring basis

		Fair value measurements at reporting date

		Total												Total
		October 31,												July 31,
Description		2016			Level 1			Level 2			Level 3			2016			Level 1			Level 2			Level 3
Assets:
Marketable securities -
available-for-sale		$	2,002,818		$	2,002,818		$	–		$	–		$	2,062,205		$	2,062,205		$	–		$	–

Schedule of classified marketable securities

October 31, 2016												July 31, 2016
				Gross			Gross									Gross			Gross
				Unrealized			Unrealized			Fair						Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value			Cost			Gains			Losses			Value
Noncurrent:
Available-for-sale:
Mutual funds	$	552,628		$	134,648		$	–		$	687,276		$	551,573		$	143,026		$	–		$	694,599
Equity securities		1,116,639			200,736			1,833			1,315,542			1,110,091			258,869			1,354			1,367,606
	$	1,669,267		$	335,384		$	1,833		$	2,002,818		$	1,661,664		$	401,895		$	1,354		$	2,062,205

Schedule of debt and equity securities, gross unrealized losses and fair value, aggregated by investment category and length of time that the investment securities have been in a continuous unrealized loss position

	October 31, 2016						July 31, 2016
				Less Than						Less Than
	Fair Value			12 Months			Fair Value			12 Months
Corporate equity securities	$	116,396		$	1,833		$	120,288		$	1,354

Schedule of investment income

	Three Months Ended
	October 31
	2016				2015
Loss on sale of marketable securities	$	(7,421	)		$	–
Interest income		3,304				909
Dividend income		7,278				6,313
Total	$	3,161			$	7,222