Stockholders' Equity (Tables)

6 Months Ended

Oct. 31, 2017

Summary of Stock Options Activity

A summary of REGI’s stock option activities for the six months ended October 31, 2017 and the year ended April 30, 2017 are as follows:

	Six months Ended					Year Ended
	October 31, 2017					April 30, 2017
				Weighted				Weighted
				Average				Average
				Exercise				Exercise
	Options			Price		Options		Price
Outstanding at beginning of period		9,138,000		$	0.31		1,938,000	$	0.15
Granted		-			-		7,200,000		0.36
Exercised		(155,000	)		0.10		-		-
Expired		(803,000	)		0.10		-		-
Outstanding at end of period		8,180,000			0.35		9,138,000		0.31
Exercisable at end of period		7,445,000		$	0.35		7,684,500	$	0.34

July 20, 2021 [Member]

Schedule of Common Stock Options Exercise Price

Options		Exercise price
	900,000	$	0.10
	600,000	$	0.20
	550,000	$	0.35
	450,000	$	0.50
	350,000	$	0.75
	350,000	$	1.00
	250,000	$	1.25
	250,000	$	1.50
	3,700,000

January 1, 2022 [Member]

Schedule of Common Stock Options Exercise Price

Options		Exercise price
	2,500,000	$	0.10
	300,000	$	0.20
	300,000	$	0.35
	300,000	$	0.50
	100,000	$	0.75
	3,500,000