Intangible and Other Assets, Net (Details) - USD ($)			3 Months Ended		6 Months Ended
	Oct. 03, 2023	Apr. 19, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Gross Value
Intangibles			$ 13,160,000		$ 13,160,000		$ 860,000
Accumulated Amortization			(979,000)		(979,000)
Net Carrying Value
Intangibles			12,181,000		12,181,000		860,000
Intangibles and Other Assets
Intangible and other assets, Gross Value			18,160,000		18,160,000		5,860,000
Accumulated Amortization			(979,000)		(979,000)		0
Intangible and Other Assets, Net Carrying Value			17,181,000		17,181,000		5,860,000
Amortization expense			500,000	$ 0	1,000,000.0	$ 0
Partnership Agreement with Vetster
Other Assets
Initial minority interest investment in Vetster		$ 5,000,000	$ 5,000,000		$ 5,000,000		5,000,000
Intangibles and Other Assets
Term of agreement		3 years
Minority interest purchased, percent		5.00%
Partnership Agreement with Vetster | Subsequent Event
Other Assets
Initial minority interest investment in Vetster	$ 5,300,000
Intangibles and Other Assets
Minority interest purchased, percent	4.80%
Payments for additional shares in Vetster	$ 300,000
Customer Relationships -PetCareRx
Finite-Lived Intangible Assets [Line Items]
Useful Life			7 years		7 years
Gross Value
Finite-lived intangibles			$ 6,700,000		$ 6,700,000
Accumulated Amortization			(479,000)		(479,000)
Net Carrying Value
Finite-lived intangibles			$ 6,221,000		$ 6,221,000
Weighted Average Remaining Useful Life (Years)			6 years 9 months		6 years 9 months
Developed Technology - PetCareRx
Finite-Lived Intangible Assets [Line Items]
Useful Life			3 years		3 years
Gross Value
Finite-lived intangibles			$ 3,000,000		$ 3,000,000
Accumulated Amortization			(500,000)		(500,000)
Net Carrying Value
Finite-lived intangibles			$ 2,500,000		$ 2,500,000
Weighted Average Remaining Useful Life (Years)			2 years 9 months		2 years 9 months
Toll-free telephone number
Gross Value
Indefinite-lived intangibles			$ 375,000		$ 375,000		375,000
Net Carrying Value
Indefinite-lived intangibles			375,000		375,000		375,000
Internet domain names
Gross Value
Indefinite-lived intangibles			485,000		485,000		485,000
Net Carrying Value
Indefinite-lived intangibles			485,000		485,000		$ 485,000
Trade Names - PetCareRx
Gross Value
Indefinite-lived intangibles			2,600,000		2,600,000
Net Carrying Value
Indefinite-lived intangibles			$ 2,600,000		$ 2,600,000