Discontinued Operations and TSA - Summary of Accrued Liabilities from Continuing Operations (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Discontinued Operations and Disposal Groups [Abstract]
Profit Sharing Payments	$ 11,230	$ 8,008
Royalties associated with the MSK Agreement	2,786	2,788
VOWST post-marketing safety surveillance study	771	526
80.1% of lease cost of Waltham facility	1,501	1,128
Employment-related costs for conveying employees	1,462	1,436
Total accrued liabilities due to SPN	$ 17,750	$ 13,886