Intangible Assets (Summary Of Intangible Assets Subject To Amortization) (Details) - USD ($)	Oct. 31, 2022	Apr. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 15,650,000	$ 15,650,000
Accumulated Amortization	(3,711,426)	(3,240,522)
Net Carrying Amount	11,938,574	12,409,478
Spitfire [Member] | Non-Contractual Customer Relationship [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,690,000	4,690,000
Accumulated Amortization	(3,209,713)	(3,039,837)
Net Carrying Amount	1,480,287	1,650,163
Wagz [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,230,000	1,230,000
Accumulated Amortization	(51,250)	(20,500)
Net Carrying Amount	1,178,750	1,209,500
Wagz [Member] | Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,730,000	9,730,000
Accumulated Amortization	(450,463)	(180,185)
Net Carrying Amount	$ 9,279,537	$ 9,549,815