Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v3.22.1
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Jul. 31, 2021
Clinical Laboratory Services segment [Member]    
Goodwill and Intangible Assets (Details) [Line Items]    
Goodwill $ 7,452 $ 7,452