Marketable Securities (Tables)

3 Months Ended

Aug. 31, 2020

Cash and Cash Equivalents [Abstract]

Schedule of assets measured at fair value on recurring basis

August 31, 2020	Level 1		Level 2		Level 3		Total
Equity Securities	$	40,760	$	-	$	-	$	40,760
	$	40,760	$	-	$	-	$	40,760

May 31, 2020	Level 1		Level 2		Level 3		Total
Equity Securities		50,344		-		-	$	50,344
	$	50,344	$	-	$	-	$	50,344

Schedule of certificates of deposit and marketable securities

			Gross		Gross
			Unrealized		Unrealized
	Amortized		Holding		Holding		Recorded
August 31, 2020	Cost		Gains		Losses		Value
Current
Equity Securities	$	16,866	$	23,894	$	-	$	40,760
	$	16,866	$	23,894	$	-	$	40,760

			Gross		Gross
			Unrealized		Unrealized
	Amortized		Holding		Holding		Recorded
May 31, 2020	Cost		Gains		Losses		Value
Current
Equity Securities	$	16,866	$	33,478	$	-	$	50,344
	$	16,866	$	33,478	$	-	$	50,344