Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 44,364	$ 58,044	$ 95,544	$ 124,251
Sales, percentage	100.00%	100.00%	100.00%	100.00%
Sales, variance	$ (13,680)		$ (28,707)
Sales, variance, percentage	(23.60%)		(23.10%)
Reorder sales
Disaggregation of Revenue [Line Items]
Net sales	$ 37,408	$ 48,724	$ 78,713	$ 101,520
Sales, percentage	84.30%	83.90%	82.40%	81.70%
Sales, variance	$ (11,316)		$ (22,807)
Sales, variance, percentage	(23.20%)		(22.50%)
New order sales
Disaggregation of Revenue [Line Items]
Net sales	$ 5,332	$ 7,251	$ 13,577	$ 18,338
Sales, percentage	12.00%	12.50%	14.20%	14.80%
Sales, variance	$ (1,919)		$ (4,761)
Sales, variance, percentage	(26.50%)		(26.00%)
Membership fees
Disaggregation of Revenue [Line Items]
Net sales	$ 1,624	$ 2,069	$ 3,254	$ 4,393
Sales, percentage	3.70%	3.60%	3.40%	3.50%
Sales, variance	$ (445)		$ (1,139)
Sales, variance, percentage	(21.50%)		(25.90%)