Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v3.19.1
Goodwill and intangible assets (Tables)
 6 Months Ended
Jan. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Indefinite-Lived Intangible Assets [Table Text Block] The Company’s change in the carrying amount of intangible assets, all in the Products segment is as follows:

    Gross     Accumulated
Amortization		     Net  
July 31, 2018   $ 27,347     $ (25,461 )   $ 1,886  
Amortization expense     —       (494 )     (494 )
Foreign currency translation     (41 )     37       (4 )
January 31, 2019   $ 27,306     $ (25,918 )   $ 1,388  
Schedule of Intangible Assets [Table Text Block] Intangible assets, all finite lived, consist of the following:

 

 

   January 31, 2019   July 31, 2018  
    Gross   Accumulated
Amortization 		  Net   Gross   Accumulated
Amortization 		  Net  
Patents   $ 11,027   $ (10,987 ) $ 40   $ 11,027   $ (10,980 ) $ 47  
Customer relationships     11,814     (10,466 )   1,348     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   $ 27,306   $ (25,918 ) $ 1,388   $ 27,347   $ (25,461 ) $ 1,886  
Schedule of Useful Lives For Acquisitions [Table Text Block] At January 31, 2019, information with respect to intangibles assets acquired is as follows:

    Useful life
assigned		   Weighted average
remaining useful life
Customer relationships   8 -15 years   2 years
Other intangibles   10 years   4 years