Note 4 - Other Accrued Liabilities - Other Accrued Liabilities (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Professional services	$ 375,000	$ 167,000
Operating costs	929,000	858,000
Other	539,000	863,000
Total other accrued liabilities	$ 1,843,000	$ 1,888,000

The amount of accrued liabilities classified as current not specifically disclosed.

No definition available.

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- Definition

The amount of accrued operating costs classified as current.

+ References

No definition available.

+ Details

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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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- Definition

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

+ References

+ Details

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