Consolidated Balance Sheets - USD ($)	Apr. 30, 2022	Apr. 30, 2021
Current assets:
Cash	$ 136,867	$ 330,449
Prepaid expenses and other current assets	47,333	37,893
Total current assets	184,200	368,342
Property and equipment, net	1,114,197	472,169
Deposit	0	900
Total assets	1,298,397	841,411
Current liabilities:
Accounts payable	639,782	802,640
Accrued expenses	851,275	807,349
Accounts payable and accrued expenses - related parties	76,770	272,834
Notes payable	904,452	775,000
Note payable, currently in default	75,001	75,001
Convertible notes payable, currently in default, net of discount of $0 at April 30, 2022 and 2021	75,000	235,775
Convertible notes payable, net of discount of $22,903 and $133,944 at April 30, 2022 and 2021, respectively	432,097	398,056
Convertible notes payable - related parties, net of discount of $0 and $235 at April 30, 2022 and 2021, respectively	0	74,755
PPP loan payable	0	150,000
SBA express bridge loan	0	10,000
Derivative liabilities	0	3,010,042
Total current liabilities	3,054,377	6,611,452
Long-term liabilities	0	0
Total liabilities	3,054,377	6,611,452
Stockholders' deficit:
Common stock; $0.001 par value; 200,000,000 shares authorized, 21,204,682 and 3,251,641 shares issued and outstanding at April 30, 2022 and 2021, respectively	21,205	3,252
Additional paid-in capital	66,426,364	62,201,528
Non-controlling interest	9,871	9,871
Accumulated deficit	(68,213,423)	(67,984,693)
Total stockholders' deficit	(1,755,980)	(5,770,041)
Total liabilities and stockholders' deficit	1,298,397	841,411
Series A Preferred Stock [Member]
Stockholders' deficit:
Preferred stock, value	1	1
Series B Preferred Stock [Member]
Stockholders' deficit:
Preferred stock, value	$ 2	$ 0