Stockholders' Equity - Summary of Stock Options Activity (Details) - $ / shares			6 Months Ended	12 Months Ended
	Jan. 02, 2017	Aug. 12, 2016	Oct. 31, 2017	Apr. 30, 2017
Equity [Abstract]
Options, Outstanding at beginning of period			9,138,000	1,938,000
Options, Granted during the period	3,500,000	3,700,000		7,200,000
Options, Exercised during the period			(155,000)
Options, Expired during the period			(803,000)
Options, Outstanding at end of period			8,180,000	9,138,000
Options, Exercisable at end of period			7,445,000	7,684,500
Weighted Average Exercise Price, Outstanding at beginning of period			$ 0.31	$ 0.15
Weighted Average Exercise Price, Granted during the period				0.36
Weighted Average Exercise Price, Exercised during the period			0.10
Weighted Average Exercise Price, Expired during the period			0.10
Weighted Average Exercise Price, Outstanding at end of period			0.35	0.31
Weighted Average Exercise Price, Exercisable at end of period			$ 0.35	$ 0.34