Geographic, product and industry information - By Industry (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Revenue	[1]	$ 81,464	$ 63,740	$ 228,264	$ 178,163
Industrial chemicals/materials
Segment Reporting Information [Line Items]
Revenue		23,188	16,801	59,730	44,785
Academic research
Segment Reporting Information [Line Items]
Revenue		14,892	12,421	42,387	33,556
Healthcare
Segment Reporting Information [Line Items]
Revenue		42,823	33,988	124,637	97,764
Food/agricultural
Segment Reporting Information [Line Items]
Revenue		$ 561	$ 530	$ 1,510	$ 2,058

[1] During the three and nine months ended June 30, 2024, the Company generated revenues from related parties totaling of $4.1 million and $9.7 million, respectively. During the three and nine months ended June 30, 2023, the Company generated revenues from related parties totaling $0.9 million and $3.6 million, respectively.