CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net loss	$ (78,640)	$ (66,215)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	14,733	17,087
Depreciation and amortization	18,298	19,007
Amortization of marketable securities discount		(102)
Other noncash expense	2,497	908
Changes in operating assets and liabilities, net of effects of acquisition:
Accounts receivable	417	(2,147)
Inventories	(706)	670
Prepaid expenses and other current assets, deposits and other assets	(19,050)	(25,620)
Accounts payable, accrued expenses and non-current liabilities	5,068	2,693
Net cash used in operating activities	(57,383)	(53,719)
Investing Activities
Acquisitions of property, plant and equipment	(51,085)	(54,455)
Proceeds from sale of investment tax credit	15,336
Payment of earnest money deposit	(10,000)
Acquisition of CultivateAI, net of cash acquired	(6,070)
Proceeds from maturity of marketable securities		168,550
Proceeds from sale of property, plant and equipment		34
Net cash (used in) provided by investing activities	(51,819)	114,129
Financing Activities
Proceeds from issuance of Remarketed Bonds	68,155
Extinguishment of 2021 Bonds	(68,155)
Payment of debt offering costs	(1,665)
Proceeds from the exercise of warrants	49
Payment of loans payable	(130)	(167)
Payment of finance lease liabilities	(906)	(22)
Repurchases of common stock	(4,710)
Net cash used in financing activities	(7,362)	(189)
Net (decrease) increase in cash and cash equivalents	(116,564)	60,221
Cash, cash equivalents and restricted cash at beginning of period	375,597	315,376
Cash, cash equivalents and restricted cash at end of period	259,033	375,597
Schedule of cash, cash equivalents and restricted cash
Cash and cash equivalents	189,389	298,349
Restricted cash (current)	1,489	77,248
Restricted cash (non-current)	68,155
Total cash, cash equivalents and restricted cash	259,033	375,597
Supplemental disclosures of cash and non-cash investing and financing transactions
Cash paid for interest	1,619	1,029
Non-cash purchase of property, plant and equipment	2,595	8,174
Non-cash 401(k) match expense	614
Right-of-use asset purchased with financing leases	2,731
Right-of-use asset purchased with operating lease	$ 32	$ 199