Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v3.21.2
Goodwill and intangible assets (Tables)
 3 Months Ended
Oct. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets all in the life sciences products segment
    Gross     Accumulated Amortization     Net  
July 31, 2021   $ 27,775     $ (27,531 )   $ 244  
Amortization expense    
—
       (70 )     (70 )
Foreign currency translation     (96 )     93       (3 )
October 31, 2021   $ 27,679     $ (27,508 )   $ 171  

 
Schedule of intangible assets all finite-lived
    October 31, 2021     July 31, 2021  
    Gross     Accumulated
Amortization		     Net     Gross     Accumulated
Amortization		     Net  
Patents   $ 11,027     $ (11,027 )   $ —     $ 11,027       (11,027 )   $ —  
Customer relationships     12,005       (11,834 )     171       12,059       (11,815 )     244  
Website and acquired content     1,023       (1,023 )    
—
       1,025       (1,025 )    
—
  
Licensed technology and other     491       (491 )    
—
       494       (494 )    
—
  
Trademarks     3,133       (3,133 )    
—
       3,170       (3,170 )    
—
  
Total   $ 27,679     $ (27,508 )   $ 171     $ 27,775       (27,531 )   $ 244  

 
Schedule of useful lives for acquisitions
At October 31, 2021, information with respect to acquired intangibles is as follows:   Useful life assigned   Weighted average
remaining useful life
Customer relationships   8 -15 years   0.5 years