Geographic, product and industry information - By Industry (Details) - USD ($) $ in Thousands		3 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenue	[1]	$ 71,498	$ 54,243
Industrial chemicals/materials
Segment Reporting Information [Line Items]
Revenue		16,277	13,575
Academic research
Segment Reporting Information [Line Items]
Revenue		13,773	10,015
Healthcare
Segment Reporting Information [Line Items]
Revenue		40,881	30,013
Food/agricultural
Segment Reporting Information [Line Items]
Revenue		$ 567	$ 640

[1] During the three months ended December 31, 2023, and 2022, the Company had revenues from the related parties in the amount of $2.3 million and $0.2 million, respectively.