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Licensed Rights and Other Intangible Assets | 3 Months Ended
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Mar. 31, 2024
Licensed Rights and Other Intangible Assets [Abstract] |
Licensed rights and other intangible assets | 4. Licensed rights and other intangible assets The following provides information about our license rights and other intangible assets, net as of March 31, 2024 and December 31, 2023 (in thousands):
|  | March 31, 2024 |  |  | December 31, 2023 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Intangible assets subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hormone therapy drug patents |  | $ | 6,819 |  |  | $ | 2,004 |  |  | $ | 4,815 |  |  | $ | 6,818 |  |  | $ | 1,871 |  |  | $ | 4,947 |
Hormone therapy drug patents applied and pending approval |  |  | 841 |  |  |  | — |  |  |  | 841 |  |  |  | 842 |  |  |  | — |  |  |  | 842 |
Intangible assets subject to amortization |  |  | 7,660 |  |  |  | 2,004 |  |  |  | 5,656 |  |  |  | 7,660 |  |  |  | 1,871 |  |  |  | 5,789 |
Intangible assets not subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trademarks/trade name rights |  |  | 309 |  |  |  | — |  |  |  | 309 |  |  |  | 309 |  |  |  | — |  |  |  | 309 |
License rights and other intangible assets, net |  | $ | 7,969 |  |  | $ | 2,004 |  |  | $ | 5,965 |  |  | $ | 7,969 |  |  | $ | 1,871 |  |  | $ | 6,098 |
We recorded, in continuing operations, amortization expense related to patents of $133 thousand and $7 thousand for the three months ended March 31, 2024 and 2023, respectively. Our intangible assets subject to amortization are expected to be amortized as follows (in thousands):
Year ending December 31,
2024 |  | $ | 400 |
2025 |  |  | 445 |
2026 |  |  | 445 |
2027 |  |  | 445 |
2028 |  |  | 446 |
Thereafter |  |  | 2,634 |
Total |  | $ | 4,815 |

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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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/985-20/tableOfContent + Details
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