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Goodwill and Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill [Table Text Block]
The changes in the carrying amount of goodwill as of December 31, 2017 and 2016 were as follows (in thousands):
 
Balance as of January 1, 2016
 
$
1,476
 
Goodwill recorded in connection with an acquisition
 
 
1,263
 
Foreign currency translation adjustment
 
 
(5)
 
Balance as of December 31, 2016
 
 
2,734
 
Foreign currency translation adjustment
 
 
98
 
Balance as of December 31, 2017
 
$
2,832
 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Information regarding our acquisition-related intangible assets is as follows (in thousands):
 
 
 
Developed
technology
 
Customer
relationships
 
Trademarks
and
tradenames
 
Patents
 
Media
Contact
Database
 
Total
 
Gross carrying amounts:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance as of January 1, 2016
 
$
1,978
 
$
2,036
 
$
555
 
$
41
 
$
-
 
$
4,610
 
Additions
 
 
994
 
 
-
 
 
310
 
 
-
 
 
3,610
 
 
4,914
 
Foreign currency translation
 
 
47
 
 
76
 
 
-
 
 
2
 
 
(100)
 
 
25
 
Balance as of December 31, 2016
 
 
3,019
 
 
2,112
 
 
865
 
 
43
 
 
3,510
 
 
9,549
 
Foreign currency translation
 
 
185
 
 
152
 
 
19
 
 
3
 
 
137
 
 
496
 
Balance as of December 31, 2017
 
$
3,204
 
$
2,264
 
$
884
 
$
46
 
$
3,647
 
$
10,045
 
 
 
 
Developed
technology
 
Customer
relationships
 
Trademarks
and
tradenames
 
Patents
 
Media
Contact
Database
 
Total
 
Accumulated amortization:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance as of January 1, 2016
 
$
280
 
$
240
 
$
98
 
$
5
 
$
-
 
$
623
 
Amortization expense
 
 
257
 
 
178
 
 
105
 
 
4
 
 
181
 
 
725
 
Foreign currency translation
 
 
8
 
 
7
 
 
-
 
 
1
 
 
(6)
 
 
10
 
Balance as of December 31, 2016
 
 
545
 
 
425
 
 
203
 
 
10
 
 
175
 
 
1,358
 
Amortization expense
 
 
312
 
 
182
 
 
121
 
 
4
 
 
361
 
 
980
 
Foreign currency translation
 
 
45
 
 
38
 
 
6
 
 
1
 
 
11
 
 
101
 
Balance as of December 31, 2017
 
$
902
 
$
645
 
$
330
 
$
15
 
$
547
 
$
2,439
 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Estimated annual amortization expense for intangible assets subsequent to December 31, 2017 is as follows (in thousands):
 
Year
 
Amortization
 
2018
 
$
1,000
 
2019
 
 
1,000
 
2020
 
 
935
 
2021
 
 
935
 
2022
 
 
935
 
Thereafter
 
 
2,801
 
 
 
$
7,606