Schedule of Goodwill |
The change in the carrying value of goodwill for the year ended December 31, 2015 for the Clear Aligner segment, which are also our reporting units, are as follows (in thousands): | | | | | | Total | Balance as of December 31, 2013 | $ | 61,623 |
| Adjustments 1 | (254 | ) | Balance as of December 31, 2014 | 61,369 |
| Adjustments 1 | (295 | ) | Balance as of December 31, 2015 | $ | 61,074 |
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| | 1 | The adjustments to goodwill were a result of foreign currency translation. |
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Schedule Of Amortized Intangible Assets |
ntangible assets arising either as a direct result from the Cadent acquisition or individually acquired are being amortized as follows (in thousands): | | | | | | | | | | | | | | | | | | | | Weighted Average Amortization Period (in years) | | Gross Carrying Amount as of December 31, 2015 | | Accumulated Amortization | | Impairment Charge | | Net Carrying Value as of December 31, 2015 | Trademarks | 15 | | $ | 7,100 |
| | $ | (1,492 | ) | | $ | (4,179 | ) | | $ | 1,429 |
| Existing technology | 13 | | 12,600 |
| | (3,577 | ) | | (4,328 | ) | | 4,695 |
| Customer relationships | 11 | | 33,500 |
| | (10,957 | ) | | (10,751 | ) | | 11,792 |
| Other | 8 | | 285 |
| | (113 | ) | | — |
| | 172 |
| Total Intangible Assets | | | $ | 53,485 |
| | $ | (16,139 | ) | | $ | (19,258 | ) | | $ | 18,088 |
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| | | | | | | | | | | | | | | | | | | | Weighted Average Amortization Period (in years) | | Gross Carrying Amount as of December 31, 2014 | | Accumulated Amortization | | Impairment Charge | | Net Carrying Value as of December 31, 2014 | Trademarks | 15 | | $ | 7,100 |
| | $ | (1,354 | ) | | $ | (4,179 | ) | | $ | 1,567 |
| Existing technology | 13 | | 12,600 |
| | (3,015 | ) | | (4,328 | ) | | 5,257 |
| Customer relationships | 11 | | 33,500 |
| | (9,095 | ) | | (10,751 | ) | | 13,654 |
| Other | 8 | | 285 |
| | (76 | ) | | — |
| | 209 |
| Total Intangible Assets | | | $ | 53,485 |
| | $ | (13,540 | ) | | $ | (19,258 | ) | | $ | 20,687 |
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Schedule of Future Amortization For Finited-Lived Intangible Assets |
The total estimated annual future amortization expense for these acquired intangible assets as of December 31, 2015 is as follows (in thousands): | | | | | Fiscal Year | | 2016 | $ | 2,600 |
| 2017 | 2,600 |
| 2018 | 2,600 |
| 2019 | 2,592 |
| 2020 | 2,582 |
| Thereafter | 5,114 |
| Total | $ | 18,088 |
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