Stockholders' Equity (Tables)

9 Months Ended

Jan. 31, 2017

Summary of Stock Options Activity

A summary of REGI’s stock option activity for the nine months ended January 31, 2017 is as follows:

	Nine months ended January 31, 2017
			Weighted
			Average
			Exercise
	Options		Price
Outstanding at beginning of period		1,938,000	$	0.15
Granted during the period		7,200,000	$	0.36
Outstanding at end of period		9,138,000	$	0.31
Exercisable at end of period		7,684,500	$	0.34
Weighted average fair value of options granted			$	0.05

Summary of Common Stock Warrants Activity

A summary of REGI’s common stock warrant activity for the nine months ended January 31, 2017 is as follows:

	January 31, 2017
			Weighted
			Average
			Exercise
	Warrants		Price
Outstanding at beginning of period		200,000	$	0.25
Outstanding at end of period		200,000		0.25
Exercisable at end of period		200,000	$	0.25

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