Other Balance Sheet Details (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Public Utilities, Inventory [Line Items] | |||||
| Depreciation and amortization expenses | $ 600 | $ 800 | $ 1,301 | $ 1,580 | |
| Non-current restricted cash | 2,028 | 1,885 | 2,028 | 1,885 | $ 1,885 |
| Property Leases in San Diego [Member] | |||||
| Public Utilities, Inventory [Line Items] | |||||
| Non-current restricted cash | $ 2,000 | 1,900 | $ 2,000 | 1,900 | |
| Wells Fargo Credit Agreement [Member] | |||||
| Public Utilities, Inventory [Line Items] | |||||
| Restricted cash pledged as collateral | $ 55,000 | $ 55,000 | |||
| X | ||||||||||
- Definition Amount of assets pledged to secure a debt instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|