CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 360,118	$ 497,241
Accounts receivable, net	1,339	0
Inventory	25,847	11,597
Prepaid expenses and other current assets	31,730	15,891
Total current assets	419,034	524,729
Restricted cash and cash equivalents	25,000	25,000
Long-term deposits	33,800	27,620
Property, plant and equipment, net	264,121	244,377
Intangible assets, net	97,181	97,181
Investment in affiliates	62,634	61,778
Goodwill	5,238	5,238
Other Assets, Noncurrent	3,353	3,896
Total assets	910,361	989,819
Current liabilities
Accounts payable	77,478	86,982
Accrued expenses and other current liabilities	105,657	93,487
Debt and finance lease liabilities, current	507	140
Total current liabilities	183,642	180,609
Long-term debt and finance lease liabilities, net of current portion	25,045	25,047
Operating lease liabilities	2,542	2,263
Warrant liability	4,718	4,284
Other long-term liabilities	72,231	84,033
Deferred tax liabilities, net	11	11
Total liabilities	288,189	296,247
Commitments and contingencies (Note 9)
Stockholders' equity
Preferred stock, $0.0001 par value, 150,000,000 shares authorized, no shares issued and outstanding as of March 31, 2022 and December 31, 2021	0	0
Common stock, $0.0001 par value, 600,000,000 shares authorized, 418,344,072 and 413,340,550 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	42	41
Additional paid-in capital	2,025,552	1,944,341
Accumulated deficit	(1,403,553)	(1,250,612)
Accumulated other comprehensive income (loss)	131	(198)
Total stockholders' equity	622,172	693,572
Total liabilities and stockholders' equity	$ 910,361	$ 989,819