Goodwill - Schedule of Carrying Amount of Goodwill by Segment (Detail) $ in Thousands	3 Months Ended
	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Balance as of September 30, 2019	$ 26,171
Currency translation adjustment	375
Balance as of December 31, 2019	26,546
In Vitro Diagnostics [Member]
Goodwill [Line Items]
Balance as of September 30, 2019	8,010
Balance as of December 31, 2019	8,010
Medical Device [Member]
Goodwill [Line Items]
Balance as of September 30, 2019	18,161
Currency translation adjustment	375
Balance as of December 31, 2019	$ 18,536