v3.23.2

Note 10 - Leases (Details Textual) |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 26, 2021 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) ft² | Apr. 30, 2021 USD ($)
Gain (Loss) on Termination of Lease | $ 500,000 | $ (0) | $ 522,000 |  |
Operating Lease, Right-of-Use Asset |  | $ 96,000 | $ 271,000 | [1] |
Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |
Lessee, Operating Sublease, Deferred Costs |  |  |  |  | $ 300,000
Lease for Corporate Headquarters in Hayward, California [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  | 12,106 |  |
Lessee, Operating Lease, Term of Contract (Year) | 2 years 3 months |  |  |  |
Lessee, Operating Lease, Monthly Rent | $ 17,000 |  |  |  |
Lessee, Operating Lease, Abated Rent Period (Month) | 1 month |  |  |  |
Operating Lease, Right-of-Use Asset | $ 400,000 |  |  |  |
[1] | The condensed consolidated balance sheet as of December 31, 2020 has been derived from the audited financial statements as of that date included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.

X
- Definition The period of abated rent of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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X
- Definition Amount of the monthly rent required for operating lease. + References No definition available. + Details
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X
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X
- Definition Amount of gain (loss) on termination of lease before expiration of lease term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479092/842-20-40-1 + Details
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X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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X
- 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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- Details
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