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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Note 8. Goodwill and Intangible Assets The change in the carrying amount of goodwill was as follows (in thousands):
Goodwill as of December 31, 2020 |  | $ | 3,700 |
2021 NimbeLink acquisition goodwill |  |  | 7,145 |
Goodwill as of December 31, 2021 |  | $ | 10,845 |
2022 Changes in goodwill |  |  | — |
Goodwill as of December 31, 2022 |  | $ | 10,845 |
The following is a summary of the Company’s acquired intangible assets (dollars in thousands):
|  | December 31, 2022 |
|  | Weighted average amortization period (in years) |  | Gross carrying amount |  |  | Accumulated amortization |  |  | Net carrying amount |
Market related intangibles |  | 5 |  | $ | 1,820 |  |  | $ | 795 |  |  | $ | 1,025 |
Customer relationships |  | 7 |  |  | 13,780 |  |  |  | 6,720 |  |  |  | 7,060 |
Developed technologies |  | 11 |  |  | 4,380 |  |  |  | 1,263 |  |  |  | 3,117 |
Covenants to non-compete |  | 2 |  |  | 115 |  |  |  | 114 |  |  |  | 1 |
Total intangible assets, net |  |  |  | $ | 20,095 |  |  | $ | 8,892 |  |  | $ | 11,203 |
|  | December 31, 2021 |
|  | Weighted average amortization period (in years) |  | Gross carrying amount |  |  | Accumulated amortization |  |  | Net carrying amount |
Market related intangibles |  | 5 |  | $ | 1,820 |  |  | $ | 454 |  |  | $ | 1,366 |
Customer relationships |  | 7 |  |  | 13,780 |  |  |  | 4,447 |  |  |  | 9,333 |
Developed technologies |  | 11 |  |  | 4,380 |  |  |  | 908 |  |  |  | 3,472 |
Covenants to non-compete |  | 2 |  |  | 115 |  |  |  | 57 |  |  |  | 58 |
Total intangible assets, net |  |  |  | $ | 20,095 |  |  | $ | 5,866 |  |  | $ | 14,229 |
Estimated annual amortization of intangible assets for the next five years and thereafter is shown in the following table (in thousands):
|  | Estimated future amortization |
2023 |  | $ | 2,969 |
2024 |  |  | 2,968 |
2025 |  |  | 2,958 |
2026 |  |  | 557 |
2027 |  |  | 356 |
Thereafter |  |  | 1,395 |
Total |  | $ | 11,203 |
Actual amortization expense to be reported in future periods could differ from these estimates as a result of acquisitions, divestitures, and asset impairments, among other factors. Amortization expense was $3.0 million for the each of the years ended December 31, 2022 and 2021, respectively.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI https://asc.fasb.org/topic&trid=2144416 + Details
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