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Note 4 - Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Compensation costs | $ 174 | $ 560
Customer deposits | 105 | 77
Professional fees | 83 | 86
Taxes and regulatory fees | 328 | 201
Accrued rent | 170 | 170
Accrued dividends on Series F Preferred Stock | 19 | 29
Other accrued expenses and liabilities | 4 | 8
Accrued expenses and other liabilities | $ 883 | $ 1,131

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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