Goodwill - Schedule of Carrying Amount of Goodwill by Segment (Detail) $ in Thousands	9 Months Ended
	Jun. 30, 2020 USD ($)
Goodwill [Line Items]
Balance as of September 30, 2019	$ 26,171
Currency translation adjustment	392
Balance as of June 30, 2020	26,563
In Vitro Diagnostics [Member]
Goodwill [Line Items]
Balance as of September 30, 2019	8,010
Balance as of June 30, 2020	8,010
Medical Device [Member]
Goodwill [Line Items]
Balance as of September 30, 2019	18,161
Currency translation adjustment	392
Balance as of June 30, 2020	$ 18,553