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Intangible Assets | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | 10. INTANGIBLE ASSETS Intangible Assets On August 25, 2022, DSS PureAir, a subsidiary of the Company finalized an asset purchase agreement with Celios Corporation (“Celios”) to acquire inventory, patents, and other intangible assets associated with that inventory, and other intangible assets from Celios for $900,000. The related intangible assets were valued at $409,000 with an estimated remaining useful life between 3 and 20 years. Intangible assets are comprised of the following as of December 31: Schedule of Intangible Assets
|  |  |  | 2023 |  |  | 2022 |
|  | Useful Life |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Impairment |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Developed technology assets |  | 20 years |  | $ | 22,260,000 |  |  | $ | 3,340,000 |  |  |  | - |  |  |  | 18,920,000 |  |  | $ | 22,260,000 |  |  | $ | 2,226,000 |  |  | $ | 20,034,000 |
Acquired intangibles customer lists, licenses, non-compete agreements, branding, product formulas, tenant improvements, in-place, favorable and unfavorable leases |  | 1-11 years |  |  | 19,245,000 |  |  |  | 10,613,000 |  |  |  | 7,418,000 |  |  |  | 1,214,000 |  |  |  | 20,023,000 |  |  |  | 9,397,000 |  |  |  | 10,626,000 |
Acquired intangibles patents and patent rights |  |  |  |  | 500,000 |  |  |  | 500,000 |  |  |  | - |  |  |  | - |  |  |  | 500,000 |  |  |  | 500,000 |  |  |  | - |
Patent application costs |  | Varied (1) |  |  | 1,052,000 |  |  |  | 993,000 |  |  |  | - |  |  |  | 59,000 |  |  |  | 1,052,000 |  |  |  | 972,000 |  |  |  | 80,000 |
|  |  |  | $ | 43,057,000 |  |  | $ | 15,446,000 |  |  | $ | 7,418,000 |  |  | $ | 20,193,000 |  |  | $ | 43,835,000 |  |  | $ | 13,095,000 |  |  | $ | 30,740,000 |
(1) | Patent application costs are amortized over their expected useful life which is generally the remaining legal life of the patent. As of December 31, 2023, the weighted average remaining useful life of these assets in service was approximately 1.7 years.
Amounts amortized for the year ended December 31, 2023 and 2022 was approximately $2,319,000 and $9,279,000, respectively. Expected amortization for each of the five succeeding fiscal years is as follows: Schedule of Estimated Future Amortization of Intangible Assets
Year |  | Amount |
2024 |  |  | 3,012,000 |
2025 |  |  | 3,009,000 |
2026 |  |  | 2,869,000 |
2027 |  |  | 2,869,000 |
2028 |  |  | 2,860,000 |
Thereafter |  |  | 5,574,000 |

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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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