Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net loss	$ (180,404)	$ (329,217)
Adjustments to reconcile net loss to cash used by operating activities:
Stock-based compensation	10,949	12,365
Gain on disposal of fixed assets	(101,736)
Impairment of fixed assets	74,865
Amortization of intangible assets		11,111
Other non-cash changes	26,108	13,903
Changes in assets and liabilities:
Accounts receivables		21
Inventory	(36,695)
Prepaid expenses and other assets	10,289	(3,001)
Accounts payable	5,120	10,929
Accrued expenses and other liabilities	20,482	37,649
Net Cash used by operating activities	(171,022)	(246,240)
Cash flows from investing activities
Purchases of capital assets	(50,563)	(255,528)
Purchases of short-term assets	(49,304)
Investment in Foxconn Joint Venture	(13,500)
Proceeds from the sale of capital assets	38,813
Net Cash used by investing activities	(74,554)	(255,528)
Cash flows from financing activities
Proceeds from notes payable	13,500	82,016
Down payments received from Foxconn	100,000	82,000
Issuance of common stock	1,853	3,822
Proceeds from Equity Purchase Agreement with YA, net of issuance costs	40,439	20,000
Net Cash provided by financing activities	155,792	105,838
Decrease in cash and cash equivalents	(89,784)	(395,930)
Cash and cash equivalents, beginning balance	244,016	629,761
Cash and cash equivalents, ending balance	154,232	233,831
Non-cash items
Derecognition of Foxconn down payments for sale of capital assets	200,000
Capital assets acquired with payables	$ 2,162	$ 10,793