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Note 3 - Balance Sheet Details - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Prepaid Expense and Other Assets [Abstract] |  |
Prepaid insurance | $ 384 | $ 428
Other receivables | 24 | 148
Prepaid subscriptions and fees | 116 | 138
Prepaid software licenses | 57 | 64
Deposits | 12 | 0
Deferred equity issuance costs | 75 | 112
Prepaid other | 5 | 6
Prepaid expenses and other current assets | $ 673 | $ 896

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- Definition Prepaid software licenses. + References No definition available. + Details
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- Definition Prepaid subscriptions and fees. + References No definition available. + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 + Details
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