|
Goodwill and intangible assets (Tables)
|
12 Months Ended |
|
Jul. 31, 2013
|
| Goodwill and Intangible Assets Disclosure [Abstract] |
|
| Schedule of Goodwill [Table Text Block] |
The Company’s change in the net carrying amount of
goodwill by business segment is as follows:
|
|
|
Enzo Life
Sciences
|
|
|
Enzo
Clinical
Labs
|
|
|
Total
|
|
|
August 1, 2011
|
|
$
|
19,921
|
|
|
$
|
7,452
|
|
|
$
|
27,373
|
|
|
Foreign currency translation
|
|
|
(1,083
|
)
|
|
|
—
|
|
|
|
(1,083
|
)
|
|
Impairment charge
|
|
|
(18,838
|
)
|
|
|
—
|
|
|
|
(18,838
|
)
|
|
July 31, 2012
|
|
$
|
—
|
|
|
$
|
7,452
|
|
|
$
|
7,452
|
|
|
July 31, 2013
|
|
$
|
—
|
|
|
$
|
7,452
|
|
|
$
|
7,452
|
|
|
| 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
|
|
|
August 1, 2011
|
|
$
|
34,838
|
|
|
|
(14,853
|
)
|
|
|
19,985
|
|
|
Amortization expense
|
|
|
—
|
|
|
|
(1,660
|
)
|
|
|
(1,660
|
)
|
|
Foreign currency translation
|
|
|
(1,232
|
)
|
|
|
389
|
|
|
|
(843
|
)
|
|
Trademark impairment charge
|
|
|
(5,702
|
)
|
|
|
—
|
|
|
|
(5,702
|
)
|
|
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
|
|
|
| Schedule of Intangible Assets [Table Text Block] |
Intangible assets consist of the following:
|
|
|
July 31, 2013
|
|
|
July 31, 2012
|
|
|
|
|
Gross
|
|
|
Accumulated
Amortization
|
|
|
Net
|
|
|
Gross
|
|
|
Accumulated
Amortization
|
|
|
Net
|
|
|
Finite-lived intangible assets:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Patents
|
|
$
|
11,027
|
|
|
$
|
(10,587
|
)
|
|
$
|
440
|
|
|
$
|
11,027
|
|
|
$
|
(10,439
|
)
|
|
$
|
588
|
|
|
Customer relationships
|
|
|
12,446
|
|
|
|
(5,448
|
)
|
|
|
6,998
|
|
|
|
12,304
|
|
|
|
(4,356
|
)
|
|
|
7,948
|
|
|
Website and acquired content
|
|
|
1,026
|
|
|
|
(980
|
)
|
|
|
46
|
|
|
|
1,019
|
|
|
|
(874
|
)
|
|
|
145
|
|
|
Licensed technology and other
|
|
|
513
|
|
|
|
(382
|
)
|
|
|
131
|
|
|
|
485
|
|
|
|
(300
|
)
|
|
|
185
|
|
|
Trademarks, gives effect for impairment charge and
reclassification to finite-lived as of May 1, 2012
|
|
|
3,202
|
|
|
|
(874
|
)
|
|
|
2,328
|
|
|
|
3,069
|
|
|
|
(155
|
)
|
|
|
2,914
|
|
|
Total
|
|
$
|
28,214
|
|
|
$
|
(18,271
|
)
|
|
$
|
9,943
|
|
|
$
|
27,904
|
|
|
$
|
(16,124
|
)
|
|
$
|
11,780
|
|
|
| Schedule of Useful Lives For Acquisitions [Table Text Block] |
At July 31, 2013 information with respect to the intangibles
acquired is as follows:
|
|
|
|
Useful
life
assigned (years)
|
|
Weighted
average
remaining
useful life
|
|
|
|
|
|
Minimum
|
|
Maximum
|
|
|
|
|
|
Customer relationships
|
|
|
8
|
|
15
|
|
|
|
7
years
|
|
|
Trademarks
|
|
|
|
|
|
|
5
|
|
4
years
|
|
|
Other intangibles
|
|
|
4
|
|
5
|
|
|
|
2
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:
|
2014
|
|
$
|
1,671
|
|
|
2015
|
|
|
1,630
|
|
|
2016
|
|
|
1,620
|
|
|
2017
|
|
|
1,508
|
|
|
2018
|
|
|
1,141
|
|
|