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Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands					1 Months Ended	3 Months Ended			6 Months Ended
	Nov. 01, 2024 USD ($)	Oct. 16, 2024	Oct. 07, 2024	Aug. 26, 2024	May 31, 2023 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2024 USD ($)
Concentration Risk [Line Items]
% of Revenue									100.00%	100.00%
Restricted cash						$ 10,500			$ 10,500		$ 8,400
Decrease in escrow deposit					$ 6,000		$ 6,200
Accumulated deficit						2,301,591			2,301,591		2,173,088
Cash and cash equivalents						$ 126,601		$ 256,386	$ 126,601	$ 256,386	$ 216,488
Percentage of total voting power of outstanding stock				67.00%
Subsequent Event
Concentration Risk [Line Items]
Reverse stock split		0.05	0.05
Increase in restricted cash	$ 3,500
Minimum
Concentration Risk [Line Items]
Reverse stock split				0.200
Maximum
Concentration Risk [Line Items]
Reverse stock split				0.0333
Microarrays \| Cost of Goods and Service, Product and Service Benchmark \| Supplier Concentration Risk
Concentration Risk [Line Items]
% of Revenue						100.00%		100.00%	100.00%	100.00%
K I T S \| Cost of Goods and Service, Product and Service Benchmark \| Supplier Concentration Risk
Concentration Risk [Line Items]
% of Revenue						100.00%		100.00%	100.00%	100.00%
Laboratory Services \| Cost of Goods and Service, Product and Service Benchmark \| Supplier Concentration Risk
Concentration Risk [Line Items]
% of Revenue						100.00%		100.00%