Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v3.5.0.2
Goodwill and intangible assets (Tables)
 3 Months Ended
Oct. 31, 2016
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 segment is as follows:

    Gross     Accumulated Amortization     Net  
July 31, 2016   $ 27,650     $ (23,228 )   $ 4,422  
Amortization expense     —       (412 )     (412 )
Foreign currency translation     (190 )     151       (39 )
October 31, 2016   $ 27,460     $ (23,489 )   $ 3,971  
Schedule of Intangible Assets [Table Text Block] Intangible assets, all finite lived, consist of the following:

    October 31, 2016     July 31, 2016  
    Gross     Accumulated
Amortization		     Net     Gross     Accumulated
Amortization		     Net  
Patents   $ 11,027     $ (10,914 )   $ 113     $ 11,027     $ (10,905 )   $ 122  
Customer relationships     12,011       (8,501 )     3,510       12,122       (8,331 )     3,791  
Website and acquired content     1,004       (1,004 )     —       1,011       (1,011 )     —  
Licensed technology and other     470       (428 )     42       485       (437 )     48  
Trademarks     2,948       (2,642 )     306       3,005       (2,544 )     461  
Total   $ 27,460     $ (23,489 )   $ 3,971     $ 27,650     $ (23,228 )   $ 4,422  
Schedule of Useful Lives For Acquisitions [Table Text Block] At October 31, 2016, information with respect to intangibles assets acquired is as follows:

    Useful life assigned   Weighted average
remaining useful life 		 
Customer relationships   8-15 years   4 years  
Trademarks   5 years   1 year  
Other intangibles   10 years   3 years