|
Goodwill and intangible assets (Tables)
|
12 Months Ended |
|
Jul. 31, 2014
|
| 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, 2012
|
|
$
|
27,904
|
|
|
|
(16,124
|
)
|
|
|
11,780
|
|
|
Amortization expense
|
|
|
—
|
|
|
|
(1,990
|
)
|
|
|
(1,990
|
)
|
|
Foreign currency translation
|
|
|
310
|
|
|
|
(157
|
)
|
|
|
153
|
|
|
July 31, 2013
|
|
$
|
28,214
|
|
|
|
(18,271
|
)
|
|
|
9,943
|
|
|
Amortization expense
|
|
|
—
|
|
|
|
(1,840)
|
|
|
|
(1,840
|
)
|
|
Foreign currency translation
|
|
|
264
|
|
|
|
(259
|
)
|
|
|
5
|
|
|
July 31, 2014
|
|
$
|
28,478
|
|
|
|
(20,370
|
)
|
|
|
8,108
|
|
|
| Schedule of Intangible Assets [Table Text Block] |
Intangible assets, all finite-lived, consist of the following:
|
|
|
July 31, 2014
|
|
|
July 31, 2013
|
|
|
|
|
Gross
|
|
|
Accumulated
Amortization
|
|
|
Net
|
|
|
Gross
|
|
|
Accumulated
Amortization
|
|
|
Net
|
|
|
|
Patents
|
|
$
|
11,027
|
|
|
$
|
(10,775
|
)
|
|
$
|
252
|
|
|
$
|
11,027
|
|
|
$
|
(10,587
|
)
|
|
$
|
440
|
|
|
|
Customer relationships
|
|
|
12,602
|
|
|
|
(6,565
|
)
|
|
|
6,037
|
|
|
|
12,446
|
|
|
|
(5,448
|
)
|
|
|
6,998
|
|
|
|
Website and acquired content
|
|
|
1,037
|
|
|
|
(1,037
|
)
|
|
|
—
|
|
|
|
1,026
|
|
|
|
(980
|
)
|
|
|
46
|
|
|
|
Licensed technology and other
|
|
|
537
|
|
|
|
(434
|
)
|
|
|
103
|
|
|
|
513
|
|
|
|
(382
|
)
|
|
|
131
|
|
|
|
Trademarks, gives effect for impairment charge and reclassification to finite-lived as of May 1, 2012
|
|
|
3,275
|
|
|
|
(1,559
|
)
|
|
|
1,716
|
|
|
|
3,202
|
|
|
|
(874
|
)
|
|
|
2,328
|
|
|
|
Total
|
|
$
|
28,478
|
|
|
$
|
(20,370
|
)
|
|
$
|
8,108
|
|
|
$
|
28,214
|
|
|
$
|
(18,271
|
)
|
|
$
|
9,943
|
|
|
|
| Schedule of Useful Lives For Acquisitions [Table Text Block] |
At July 31, 2014 information with respect to the intangibles acquired is as follows:
|
|
|
|
Useful life
assigned
|
|
|
Weighted average
remaining useful life
|
|
|
Customer relationships
|
|
|
8-15 years
|
|
|
6 years
|
|
|
Trademarks
|
|
|
5 years
|
|
|
3 years
|
|
|
Other intangibles
|
|
|
4-5 years
|
|
|
1 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:
|
2015
|
|
|
1,630
|
|
|
2016
|
|
|
1,620
|
|
|
2017
|
|
|
1,508
|
|
|
2018
|
|
|
1,141
|
|
|
2019
|
|
|
827
|
|
|