Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Income Statement [Abstract]
Net sales	$ 4,201,745	$ 4,123,648	$ 12,139,860	$ 7,308,701
Cost of sales	3,234,430	3,245,493	8,302,386	5,762,143
Gross income	967,315	878,155	3,837,474	1,546,558
Operating expenses:
Selling and marketing expenses	920,161	351,845	2,515,067	1,051,785
General and administrative expenses	2,942,501	1,385,626	41,535,188	2,974,404
Research and development costs	275,908	137,156	553,274	180,705
Total operating expenses	4,138,570	1,874,627	44,603,529	4,206,894
Loss from operations	(3,171,255)	(996,472)	(40,766,055)	(2,660,336)
Other expense (income):
Amortization of debt discounts	2,750,000	39,175	5,400,285	325,426
Loss on extinguishment of debt		95,760	7,096,730	1,528,580
Induced conversion loss				51,412
Gain on change in fair value of derivatives	(5,943,967)		(15,074,880)
Loss on issuance of convertible notes	2,200,000		5,889,369
Interest expense - related party	28,167	137,480	106,895	454,029
Interest expense, net	164,669	22,199	446,339	169,455
Total other expense (income)	(801,131)	294,614	3,864,738	2,528,902
Loss before income taxes	(2,370,124)	(1,291,086)	(44,630,793)	(5,189,238)
Provision for income taxes
Net loss	(2,370,124)	(1,291,086)	(44,630,793)	(5,189,238)
Other comprehensive gain (loss), net of tax
Foreign currency translation adjustments	(34,630)	816	(26,806)	(2,121)
Total other comprehensive gain (loss), net of tax	(34,630)	816	(26,806)	(2,121)
Comprehensive loss	$ (2,404,754)	$ (1,290,270)	$ (44,657,599)	$ (5,191,359)
Net loss per share, basic and diluted	$ (0.06)	$ (0.05)	$ (1.19)	$ (0.20)
Weighted average number of common shares outstanding, basic and diluted	41,873,698	26,795,030	37,360,953	26,497,184