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INTANGIBLE ASSETS, NET | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
INTANGIBLE ASSETS, NET | 11. INTANGIBLE ASSETS, NET At December 31, 2023 and 2022, intangible assets consisted of:
Schedule of intangible asset |  |  |  |  |  |  |  |  |  |
Definite lived intangible assets: |  | Useful Life |  | December 31, 2023 |  |  | December 31, 2022 |
Developed technology |  | 3-8 years |  | $ | 1,949,000 |  |  | $ | 24,584,000 |
Customer list |  | 8-10 years |  |  | 3,596,000 |  |  |  | 5,865,000 |
Trade names |  | 5-10 years |  |  | 1,030,000 |  |  |  | 4,316,000 |
Domain name and other intangible assets |  | 5 years |  |  | 612,000 |  |  |  | 630,000 |
|  |  |  |  | 7,187,000 |  |  |  | 35,395,000 |
Accumulated amortization |  |  |  |  | (1,910,000 | ) |  |  | (2,102,000 | )
Total definite-lived intangible assets |  |  |  | $ | 5,277,000 |  |  | $ | 33,293,000 |
Indefinite lived intangible assets: |  |  |  |  |  |  |  |  |  |
Trade name and trademark |  | Indefinite life |  |  | 477,000 |  |  |  | 1,493,000 |
Total intangible assets, net |  |  |  | $ | 5,754,000 |  |  | $ | 34,786,000 |
The Company’s trademarks and certain trade names were determined to have an indefinite life. The remaining definite lived intangible assets are primarily being amortized on a straight-line basis over their estimated useful lives. Amortization expense was $1.0 million for each of the years ended December 31, 2023 and 2022. The customer relationships, developed technology and certain trade names are subject to amortization over their estimated useful lives, which range between 5 and 10 years with an average remaining useful life of 7.9 years. The following table presents estimated amortization expense for each of the succeeding five calendar years and thereafter.
Schedule of estimated amortization expense |  |  |  |
2024 |  | $ | 724,000 |
2025 |  |  | 724,000 |
2026 |  |  | 724,000 |
2027 |  |  | 724,000 |
2028 |  |  | 724,000 |
Thereafter |  |  | 1,657,000 |
|  | $ | 5,277,000 |
During the year ended December 31, 2023, the Company recognized $24.7 million and $1.5 million impairment of intangible assets related to AVLP and Microphase, respectively. During the year ended December 31, 2022, the Company recognized no impairment of intangible assets. Intangible assets decreased $3.9 million during the year ended December 31, 2023 from the deconsolidation of SMC.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-30/tableOfContent + Details
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