Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current Assets
Cash and cash equivalents	$ 29,454	$ 25,413
Marketable securities	211,491	92,784
Contract receivables	2,220	1,393
Prepaid expenses and other current assets	6,112	5,646
Total current assets	249,277	125,236
Long-Term Assets
Property, plant and equipment, net	94,702	97,208
Right-of-use operating lease assets, net	7,290	7,490
Investments	59,695	210,400
Intangible assets, net	2,544	2,072
Other assets	1,584	1,577
Loan receivable from equity method investee	4,298	4,267
Total long-term assets	170,113	323,014
Total assets	419,390	448,250
Current Liabilities
Accounts payable and other accrued liabilities	6,421	8,409
Deferred revenue		3,150
Accrued compensation	3,142	7,578
Operating lease liabilities	866	833
Total current liabilities	10,429	19,970
Long-Term Liabilities
Warrant liabilities	2,856	8,735
Operating lease liabilities	7,810	8,023
Other liabilities	1,180	1,208
Total long-term liabilities	11,846	17,966
Total liabilities	22,275	37,936
Mezzanine Equity
Mezzanine equity	43	34
Stockholders' Equity
Common stock, $0.0001 par value; 2,000,000,000 shares authorized; 182,448,276 and 180,364,028 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	18	18
Additional paid-in capital	593,144	591,394
Accumulated deficit	(196,302)	(181,171)
Accumulated other comprehensive income (loss) (AOCI)	212	39
Total stockholders' equity	397,072	410,280
Total liabilities, mezzanine equity and stockholders' equity	$ 419,390	$ 448,250