CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jul. 31, 2019	Apr. 30, 2019	Jul. 31, 2018	Jun. 05, 2017	May 12, 2017	Jan. 24, 2017
Stockholders' deficit:
Common stock, par value		$ 0.001	$ 0.001
Common stock, shares authorized		500,000,000	500,000,000
Common stock, shares issued	1,661	13,771,032	13,004,740
Common stock, outstanding		13,771,032	13,004,740
Preferred stock, par value		$ 0.001	$ 0.001
Preferred stock, shares authorized		10,000,000	10,000,000
Preferred stock, shares issued		236,500	222,500
Preferred stock, shares outstanding		236,500	222,500
Preferred A stock [Member]
Stockholders' deficit:
Preferred stock, par value		$ 0.001	$ 0.001			$ 0.001
Preferred stock, shares authorized		3,000,000	3,000,000			3,000,000
Preferred stock, shares issued		220,000	206,000
Preferred stock, shares outstanding		220,000	206,000
Preferred B stock [Member]
Stockholders' deficit:
Preferred stock, par value		$ 0.001	$ 0.001	$ 0.001	$ 0.001
Preferred stock, shares authorized		16,500	16,500	165,000	120,000
Preferred stock, shares issued		16,500	16,500
Preferred stock, shares outstanding		16,500	16,500