Stockholders' Equity (Details Narrative) - USD ($)			3 Months Ended
	Jul. 31, 2020	Apr. 30, 2020	Jul. 31, 2020	Jul. 31, 2019	Aug. 06, 2019	Aug. 31, 2017
Common stock, shares authorized	200,000,000	200,000,000	200,000,000
Common stock, par value	$ 0.001	$ 0.001	$ 0.001
Preferred stock, shares designated	50,000,000	50,000,000	50,000,000
Preferred stock, par value	$ 0.001	$ 0.001	$ 0.001
Common stock, shares issued	2,925,625	2,903,393	2,925,625
Common stock, shares outstanding	2,925,625	2,903,393	2,925,625
Number of performance based restricted stock, value			$ 20,218	$ 52,682
Warrants outstanding, intrinsic value	$ 0		$ 0
Warrants exercisable, intrinsic value	$ 0		$ 0
2017 Equity Incentive Plan [Member]
Share based compensation			$ 51,262	52,214
Common stock reservation of shares						165,000
Stock option, outstanding intrinsic value	$ 150	$ 0	150
Stock option, exercisable intrinsic value	$ 150	$ 0	$ 150
Remaining balance of unvested stock options	162,788		162,788
2020 Incentive Plan [Member]
Common stock reservation of shares					330,710
Four Board of Directors [Member] | Restricted Stock [Member]
Shares issued price per share	$ 8.13	$ 5.11	$ 8.13
Share based compensation			$ 20,218	$ 52,682
Number of performance based restricted stock	1,875	1,875
Number of performance based restricted stock, value	$ 15,244	$ 9,581
Four Board of Directors [Member] | Restricted Stock [Member] | Remains to be Expensed Over Future Vesting Periods [Member]
Share based compensation			$ 334,750
Series A Convertible Preferred Stock [Member]
Preferred stock, shares designated	1,300,000		1,300,000
Series B Convertible Preferred Stock [Member]
Preferred stock, shares designated	400,000		400,000
Series C Convertible Preferred Stock [Member]
Preferred stock, shares designated	45,002		45,002
Series D Convertible Preferred Stock [Member]
Preferred stock, shares designated	7,402		7,402
Series E Convertible Preferred Stock [Member]
Preferred stock, shares designated	2,500		2,500
Series F Convertible Preferred Stock [Member]
Preferred stock, shares designated	1,250		1,250
Series G Preferred Stock [Member]
Preferred stock, shares designated	127		127
Series G Preferred Stock [Member]
Common stock issue shares			20,357
Shares issued upon conversion of preferred stock	57		57