Income Taxes - Tax Attributes (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating Loss Carryforwards [Line Items]
Disallowed business interest expense carryover	$ 0	$ 0
Attributes for which a deferred tax asset is recorded
Operating Loss Carryforwards [Line Items]
Disallowed business interest expense carryover	0	0
Federal
Operating Loss Carryforwards [Line Items]
Federal net operating losses - limited carryover	77,052	84,114
Federal net operating losses - unlimited carryover	12,739	10,501
Net operating loss carryforwards	13,600
Federal | Sec. 382 limited utilization
Operating Loss Carryforwards [Line Items]
Federal net operating losses - limited carryover	76,238	83,300
Federal | Attributes for which a deferred tax asset is recorded
Operating Loss Carryforwards [Line Items]
Federal net operating losses - limited carryover	814	814
Federal net operating losses - unlimited carryover	12,739	10,501
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	11,884	11,040
State | Sec. 382 limited utilization
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	832	2,066
State | Attributes for which a deferred tax asset is recorded
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 11,052	8,974
PetCareRx
Operating Loss Carryforwards [Line Items]
Disallowed business interest expense carryover		1,855
PetCareRx | Attributes for which a deferred tax asset is recorded
Operating Loss Carryforwards [Line Items]
Disallowed business interest expense carryover		1,855
PetCareRx | Federal
Operating Loss Carryforwards [Line Items]
Federal net operating losses - limited carryover		85,454
Federal net operating losses - unlimited carryover		10,501
PetCareRx | Federal | Sec. 382 limited utilization
Operating Loss Carryforwards [Line Items]
Federal net operating losses - limited carryover		83,300
PetCareRx | Federal | Attributes for which a deferred tax asset is recorded
Operating Loss Carryforwards [Line Items]
Federal net operating losses - limited carryover		2,154
Federal net operating losses - unlimited carryover		10,501
PetCareRx | State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		11,040
PetCareRx | State | Sec. 382 limited utilization
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		2,066
PetCareRx | State | Attributes for which a deferred tax asset is recorded
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 8,974