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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Schedule of Prepaid Expenses and Other Current Assets [Abstract]    
Director and officer’s insurance $ 1,589 $ 2,212
Aircraft engines deposit 1,216
Derivative instruments, including collateral posted [1] 1,634
Leasehold improvement deposit 988 988
Professional fees 314 78
Other 6 20
Total prepaid expenses and other current assets $ 4,531 $ 4,514
[1] Includes cash collateral related to ETH-denominated derivative instruments. See Note 5 – Digital Assets.