Subsequent Events - Additional Information (Detail) - 1 months ended Jul. 31, 2020 - Anasys AG - Subsequent Event SFr in Millions, $ in Millions	USD ($) shares	CHF (SFr) shares
Subsequent Event [Line Items]
Purchase price | $	$ 13.9
Cash paid for acquisition	$ 5.7	SFr 5.2
Shares issued (in shares) | shares	166,393	166,393
Shares issued, value | $	$ 8.2
Additional shares issued relating to deferred compensation arrangement (in shares) | shares	28,000	28,000
Stock vesting period	5 years	5 years