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v3.21.1

Goodwill and Intangible Assets - Acquisition-Related Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Gross carrying amounts: |  |
Balance | $ 10,000 |
Foreign currency translation | 38 |
Balance | 10,038 |
Accumulated amortization: |  |
Balance | 5,344 |
Amortization expense | 231 |
Foreign currency translation | 26 |
Balance | 5,601 |
Net carrying values | 4,437 | $ 4,656
Developed technology [Member] |  |
Gross carrying amounts: |  |
Balance | 3,175 |
Foreign currency translation | 18 |
Balance | 3,193 |
Accumulated amortization: |  |
Balance | 1,844 |
Amortization expense | 79 |
Foreign currency translation | 12 |
Balance | 1,935 |
Net carrying values | 1,258 |
Customer relationships [Member] |  |
Gross carrying amounts: |  |
Balance | 2,228 |
Foreign currency translation | 18 |
Balance | 2,246 |
Accumulated amortization: |  |
Balance | 1,192 |
Amortization expense | 46 |
Foreign currency translation | 10 |
Balance | 1,248 |
Net carrying values | 998 |
Trademarks and trade names [Member] |  |
Gross carrying amounts: |  |
Balance | 882 |
Foreign currency translation | 2 |
Balance | 884 |
Accumulated amortization: |  |
Balance | 629 |
Amortization expense | 14 |
Foreign currency translation | 1 |
Balance | 644 |
Net carrying values | 240 |
Patents [Member] |  |
Gross carrying amounts: |  |
Balance | 45 |
Foreign currency translation | 1 |
Balance | 46 |
Accumulated amortization: |  |
Balance | 29 |
Amortization expense | 1 |
Foreign currency translation | 1 |
Balance | 31 |
Net carrying values | 15 |
Media Contact Database [Member] |  |
Gross carrying amounts: |  |
Balance | 3,670 |
Foreign currency translation | (1) |
Balance | 3,669 |
Accumulated amortization: |  |
Balance | 1,650 |
Amortization expense | 91 |
Foreign currency translation | 2 |
Balance | 1,743 |
Net carrying values | $ 1,926 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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