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Leases - Schedule of Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Lessee Lease Description [Line Items] |  |
Right-of-use assets | $ 2,214 | $ 2,539
Lease liabilities | 2,324 | 2,648
Del Mar, CA [Member] |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets | 109 | 186
Lease liabilities | 119 | 203
Hayward, CA [Member] |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets | 1,382 | 1,525
Lease liabilities | 1,456 | 1,594
San Diego, CA [Member] |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets | 418 | 477
Lease liabilities | 441 | 498
Edwardsville, IL [Member] |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets | 305 | 351
Lease liabilities | $ 308 | $ 353

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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