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Taxes, prepaid expenses and other current assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid insurance	$ 845	$ 533
Prepaid expense	711	648
Buckeye growth premiums receivable	615	738
Income tax receivable	149	149
ICFA receivable	0	1,871
Other current assets	28	141
Taxes, prepaid expenses and other current assets	$ 2,348	$ 4,080

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- Definition

Growth Premiums Receivable, Current

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- Definition

ICFA Receivable, Current

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Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

+ References

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Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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