Other Financial Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Cash Transactions
Cash paid for interest	$ 103	$ 0
Non-cash Transactions
Purchases of property and equipment in accounts payable and other accrued liabilities	3,169	0
Finance right of use assets obtained in exchange for finance lease liabilities	0	1,233
Non-cash lease liabilities arising from obtaining right of use assets	2,000	427
Issuance of Government Grant Warrants	430,862	0
Convertible Preferred Stock
Non-cash Transactions
USARE LLC Convertible Preferred unit dividends	$ 0	$ 3,042

Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

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