Revenue - Summary of Revenue By Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 299,489	$ 271,893	$ 243,920
PGS
Disaggregation of Revenue [Line Items]
Revenue	202,414	202,681	197,525
PGS | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	182,866	189,703	191,066
PGS | Over Time
Disaggregation of Revenue [Line Items]
Revenue	19,548	12,978	6,459
Telehealth
Disaggregation of Revenue [Line Items]
Revenue	44,722	19,207
Telehealth | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	34,961	15,299	0
Telehealth | Over Time
Disaggregation of Revenue [Line Items]
Revenue	9,761	3,908
Consumer services
Disaggregation of Revenue [Line Items]
Revenue	247,136	221,888	197,525
Consumer services | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	217,827	205,002	191,066
Consumer services | Over Time
Disaggregation of Revenue [Line Items]
Revenue	29,309	16,886	6,459
Research Services
Disaggregation of Revenue [Line Items]
Revenue	52,353	50,005	46,341
Research Services | Point in Time
Disaggregation of Revenue [Line Items]
Revenue			0
Research Services | Over Time
Disaggregation of Revenue [Line Items]
Revenue	52,353	50,005	46,341
Therapeutics
Disaggregation of Revenue [Line Items]
Revenue			54
Therapeutics | Point in Time
Disaggregation of Revenue [Line Items]
Revenue			54
Therapeutics | Over Time
Disaggregation of Revenue [Line Items]
Revenue
Service
Disaggregation of Revenue [Line Items]
Revenue	299,489	271,893	243,920
Service | Point in Time
Disaggregation of Revenue [Line Items]
Revenue	217,827	205,002	191,120
Service | Over Time
Disaggregation of Revenue [Line Items]
Revenue	$ 81,662	$ 66,891	$ 52,800
Product Concentration Risk | Revenue | PGS
Disaggregation of Revenue [Line Items]
Percentage of Revenue	68.00%	75.00%	81.00%
Product Concentration Risk | Revenue | PGS | Point in Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	61.00%	70.00%	78.00%
Product Concentration Risk | Revenue | PGS | Over Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	7.00%	5.00%	3.00%
Product Concentration Risk | Revenue | Telehealth
Disaggregation of Revenue [Line Items]
Percentage of Revenue	15.00%	7.00%	0.00%
Product Concentration Risk | Revenue | Telehealth | Point in Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	12.00%	6.00%	0.00%
Product Concentration Risk | Revenue | Telehealth | Over Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	3.00%	1.00%	0.00%
Product Concentration Risk | Revenue | Consumer services
Disaggregation of Revenue [Line Items]
Percentage of Revenue	83.00%	82.00%	81.00%
Product Concentration Risk | Revenue | Consumer services | Point in Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	73.00%	76.00%	78.00%
Product Concentration Risk | Revenue | Consumer services | Over Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	10.00%	6.00%	3.00%
Product Concentration Risk | Revenue | Research Services
Disaggregation of Revenue [Line Items]
Percentage of Revenue	17.00%	18.00%	19.00%
Product Concentration Risk | Revenue | Research Services | Point in Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	0.00%	0.00%	0.00%
Product Concentration Risk | Revenue | Research Services | Over Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	17.00%	18.00%	19.00%
Product Concentration Risk | Revenue | Therapeutics
Disaggregation of Revenue [Line Items]
Percentage of Revenue	0.00%	0.00%	0.00%
Product Concentration Risk | Revenue | Therapeutics | Point in Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	0.00%	0.00%	0.00%
Product Concentration Risk | Revenue | Therapeutics | Over Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	0.00%	0.00%	0.00%
Product Concentration Risk | Revenue | Service
Disaggregation of Revenue [Line Items]
Percentage of Revenue	100.00%	100.00%	100.00%
Product Concentration Risk | Revenue | Service | Point in Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	73.00%	76.00%	78.00%
Product Concentration Risk | Revenue | Service | Over Time
Disaggregation of Revenue [Line Items]
Percentage of Revenue	27.00%	24.00%	22.00%