Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v2.4.1.9
Goodwill and intangible assets (Tables)
 6 Months Ended
Jan. 31, 2015
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 of which is included in the Life Sciences segment is as follows:

  Gross   Accumulated
Amortization 		  Net  
July 31, 2014 $ 28,478   $ (20,370 ) $ 8,108  
Amortization expense   —     (859 )   (859 )
Foreign currency translation   (442 )   315     (127 )
January 31, 2015 $ 28,036   $ (20,914 ) $ 7,122  
Schedule of Intangible Assets [Table Text Block] Intangible assets consist of the following:

  January 31, 2015   July 31, 2014  
  Gross   Accumulated
Amortization 		  Net   Gross   Accumulated
Amortization 		  Net  
Patents $ 11,027   $ (10,793 ) $ 234   $ 11,027   $ (10,775 ) $ 252  
Customer relationships   12,343     (6,943 )   5,400     12,602     (6,565 )   6,037  
Website and acquired content   1,027     (1,027 )   —     1,037     (1,037 )   —  
Licensed technology and other   511     (422 )   90     537     (434 )   103  
Trademarks   3,128     (1,729 )   1,398     3,275     (1,559 )   1,716  
Total $ 28,036   $ (20,914 ) $ 7,122   $ 28,478   $ (20,370 ) $ 8,108  
Schedule of Useful Lives For Acquisitions [Table Text Block] At January 31, 2015, information with respect to intangibles assets acquired is as follows:

    Useful life
assigned
Years 		  Weighted average
remaining useful life
Customer relationships   8   15   5.5 years
Trademarks        
5
2.5 years
Other intangibles   4   5   0.5 year