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v3.25.1

Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Assets: |  |
Total | $ 0 | $ 4,396,000
Level 1 [Member] |  |
Assets: |  |
Total | 0 | 1,505,000
Level 2 [Member] |  |
Assets: |  |
Total | 0 | 2,891,000
Level 3 [Member] |  |
Assets: |  |
Total | 0 | 0
Mutual funds [Member] |  |
Assets: |  |
Total | 0 | 1,505,000
Mutual funds [Member] | Level 1 [Member] |  |
Assets: |  |
Total | 0 | 1,505,000
Mutual funds [Member] | Level 2 [Member] |  |
Assets: |  |
Total | 0 | 0
Mutual funds [Member] | Level 3 [Member] |  |
Assets: |  |
Total | 0 | 0
US Treasury securities [Member] |  |
Assets: |  |
Total | 0 | 1,803,000
US Treasury securities [Member] | Level 1 [Member] |  |
Assets: |  |
Total | 0 | 0
US Treasury securities [Member] | Level 2 [Member] |  |
Assets: |  |
Total | 0 | 1,803,000
US Treasury securities [Member] | Level 3 [Member] |  |
Assets: |  |
Total | 0 | 0
Certificates of deposit [Member] |  |
Assets: |  |
Total | 0 | 103,000
Certificates of deposit [Member] | Level 1 [Member] |  |
Assets: |  |
Total | 0 | 0
Certificates of deposit [Member] | Level 2 [Member] |  |
Assets: |  |
Total | 0 | 103,000
Certificates of deposit [Member] | Level 3 [Member] |  |
Assets: |  |
Total | 0 | 0
Corporate bonds and notes [Member] |  |
Assets: |  |
Total | 0 | 985,000
Corporate bonds and notes [Member] | Level 1 [Member] |  |
Assets: |  |
Total | 0 | 0
Corporate bonds and notes [Member] | Level 2 [Member] |  |
Assets: |  |
Total | 0 | 985,000
Corporate bonds and notes [Member] | Level 3 [Member] |  |
Assets: |  |
Total | $ 0 | $ 0

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- Definition Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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