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Taxes, prepaid expenses and other current assets (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
ICFA receivable | $ 2,191 | $ 1,871
Prepaid expense | 697 | 648
Buckeye growth premiums receivable | 615 | 738
Prepaid insurance | 303 | 533
Income tax receivable | 149 | 149
Other current assets | 14 | 141
Taxes, prepaid expenses and other current assets | $ 3,969 | $ 4,080

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