Annual report pursuant to Section 13 and 15(d)

Goodwill and intangible assets (Tables)

v3.19.3
Goodwill and intangible assets (Tables)
 12 Months Ended
Jul. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Indefinite-Lived Intangible Assets [Table Text Block] The Company’s change in the net carrying amount of intangible assets, all in the Life Sciences Products segment is as follows:

    Gross     Accumulated
Amortization		     Net  
July 31, 2017   $ 27,436     $ (24,541 )   $ 2,895  
Amortization expense     —       (992 )     (992 )
Foreign currency translation     (89 )     72       (17 )
July 31, 2018   $ 27,347     $ (25,461 )   $ 1,886  
Amortization expense     —       (842 )     (842 )
Foreign currency translation     (109 )     98       (11 )
July 31, 2019   $ 27,238     $ (26,205 )   $ 1,032  
Schedule of Intangible Assets [Table Text Block] Intangible assets, all finite-lived, consist of the following:

    July 31, 2019     July 31, 2018  
    Gross     Accumulated
Amortization		   Net     Gross     Accumulated
Amortization		   Net  
Patents   $ 11,027     $ (10,996 )   $ 31     $ 11,027     $ (10,980 )   $ 47  
Customer relationships     11,746       (10,745 )     1,001       11,836       (9,997 )     1,839  
Website and acquired content     1,008       (1,008 )     —       1,008       (1,008 )     —  
Licensed technology and other     483       (483 )     —       483       (483 )     —  
Trademarks     2,974       (2,974 )     —       2,993       (2,993 )     —  
Total   $ 27,238     $ (26,206 )   $ 1,032     $ 27,347     $ (25,461 )   $ 1,886  
Schedule of Useful Lives For Acquisitions [Table Text Block] At July 31, 2019 information with respect to the intangibles acquired is as follows:

     

Useful life
assigned 

    

Weighted average
remaining useful life 

  
Customer relationships     8-15 years     1 years  
Other intangibles     10 years     3 years  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Estimated amortization expense related to these finite-lived intangible assets for the five succeeding fiscal years ending July 31 is as follows:

2020   $ 513  
2021     279  
2022     240  
2023     —  
2024     —