Revenue Recognition - Schedule of Rollforward of Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Contract With Customer, Liability, Current [Roll Forward]
Deferred revenue, beginning balance	$ 2,603
Deferred revenue, ending balance	2,085	$ 2,603
Membership Customers
Contract With Customer, Liability, Current [Roll Forward]
Deferred revenue, beginning balance	2,600	0
Deferred revenue acquired with PetCareRx		3,000
Deferred Autoship revenue	1,100
Deferred memberships fees received	2,500	6,600
Deferred membership fee revenue recognized	(4,100)	(7,000)
Deferred revenue, ending balance	$ 2,100	$ 2,600