Other Balance Sheet Accounts (Tables)

6 Months Ended

Jun. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Prepaid Expenses and Other Current Assets

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


		June 30,				December 31,
		2025				2024
Materials and supplies, net		$	25,766			$	18,658
Inventories, net			8,715				—
Prepaid expenses			5,809				4,890
Accrued interest receivable			3,777				2,221
Other current assets			15,855				2,556
Total prepaid expenses and other current assets		$	59,922			$	28,325

Summary of Accrued Expenses and Other Current Liabilities

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


		June 30,				December 31,
		2025				2024
Accrued salaries and other payroll liabilities		$	17,046			$	10,368
Accrued professional services			19,210				936
Acquisition holdback liabilities			6,600				3,300
Accrued equipment and services liabilities for research and development			1,313				534
Accrued expenses—other			5,021				1,286
Total accrued expenses and other current liabilities		$	49,190			$	16,424

Summary of Other Noncurrent Liabilities

Other noncurrent liabilities are composed of the following (in thousands):


		June 30,				December 31,
		2025				2024
Defined benefit pension obligation		$	4,813			$	—
Contingent consideration			4,427				—
Deferred tax liabilities			3,551				—
Other noncurrent liabilities			188				3,394
Total other noncurrent liabilities		$	12,979			$	3,394