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Other Balance Sheet Accounts

9 Months Ended

Sep. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Other Balance Sheet Accounts

8. OTHER BALANCE SHEET ACCOUNTS

Prepaid expenses and other current assets are composed of the following (in thousands):

		September 30,				December 31,
		2025				2024
Materials and supplies, net		$	48,761			$	18,658
Inventories, net			8,661				—
Prepaid expenses			8,791				4,890
Accrued interest receivable			9,495				2,221
Other current assets			20,317				2,556
Total prepaid expenses and other current assets		$	96,025			$	28,325

Accrued expenses and other current liabilities are composed of the following (in thousands):

		September 30,				December 31,
		2025				2024
Accrued salaries and other payroll liabilities		$	39,150			$	10,368
Accrued professional services and transaction costs			26,464				936
Acquisition holdback liabilities			5,600				3,300
Accrued equipment and facilities liabilities			12,137				534
Accrued expenses—other			8,505				1,673
Total accrued expenses and other current liabilities		$	91,856			$	16,811

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- References

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- Definition

The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/210/tableOfContent

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