Subsequent Events - Additional Information (Detail) - USD ($) $ in Thousands	Feb. 02, 2021	Jul. 31, 2020
Subsequent Event [Line Items]
Consideration transferred		$ 7,575
Subsequent Event [Member] | Medical Device Technology [Member] | Intellectual Property Rights [Member]
Subsequent Event [Line Items]
Consideration transferred	$ 1,000
Contingent consideration	$ 9,000
Subsequent Event [Member] | Medical Device Technology [Member] | Maximum [Member]
Subsequent Event [Line Items]
Royalty percentage on net sales	4.00%
Subsequent Event [Member] | Medical Device Technology [Member] | Maximum [Member] | Intellectual Property Rights [Member]
Subsequent Event [Line Items]
Consideration transferred	$ 10,000
Subsequent Event [Member] | Medical Device Technology [Member] | Minimum [Member]
Subsequent Event [Line Items]
Royalty percentage on net sales	2.00%