UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net loss	$ (203,230)	$ (102,478)
Adjustment to reconcile net loss to net cash used in operating activities
Stock-based compensation	5,667	7,377
Depreciation and amortization	5,151	2,266
Loss on debt extinguishment	3,510	0
Loss from write-down of property, plant and equipment	6,196	2,005
Amortization of right-of-use assets	481	409
Other	5,555	2,690
Changes in operating assets and liabilities:
Prepaid expenses	939	827
Inventory	6,630	35
Accounts receivable	155	(686)
Vendor deposits	(5,423)	(5,268)
Contract assets	(106)	0
Accounts payable	(16,196)	14,734
Accrued expenses	5,184	7,020
Operating lease liabilities	(540)	(303)
Contract liabilities	(1,471)	906
Note payable	0	(4,679)
Other	(1,856)	(950)
Net cash used in operating activities	(75,582)	(86,992)
Cash flows from investing activities
Investment in notes receivable	0	(261)
Purchases of property, plant and equipment	(10,100)	(11,497)
Net cash used in investing activities	(10,100)	(11,758)
Cash flows from financing activities
Principal payments on finance lease obligations	(15)	(6)
Proceeds from exercise of options	355	0
Proceeds from exercise of public warrants	0	7
Repayment of equipment financing facility	(1,381)	(790)
Repurchase of shares from employees for income tax withholding purposes	(451)	(852)
Net cash provided by financing activities	92,612	10,584
Effect of exchange rate changes on cash, cash equivalents and restricted cash	3	2
Net increase (decrease) in cash, cash equivalents and restricted cash	6,933	(88,164)
Cash, cash equivalents and restricted cash, beginning of the period	31,223	105,692
Cash, cash equivalents and restricted cash, end of the period	38,156	17,528
Non-cash investing and financing activities
Accrued and unpaid capital expenditures	0	2,402
Issuance of convertible notes for interest paid in kind	4,915	3,087
Fixed assets acquired with finance lease	0	70
Right-of-use operating lease assets in exchange for lease liabilities	363	2,112
Issuance of common stock upon settlement of Yorkville convertible notes	51,023	0
Accrued and unpaid capitalized internal-use software	130	0
Supplemental disclosures
Cash paid for interest	7,434	434
Nonrelated Party
Adjustment to reconcile net loss to net cash used in operating activities
Non-cash interest expense	2,469	0
Related Party
Adjustment to reconcile net loss to net cash used in operating activities
Non-cash interest expense	23,580	1,752
Loss (gain) on change in fair value of derivatives - related party	87,723	(12,510)
Commitment fee for SEPA agreement settled by common stock - related party	0	1,061
Changes in operating assets and liabilities:
Accounts payable and accrued expenses - related party	0	(1,200)
Cash flows from financing activities
Proceeds from issuance of convertible notes - related party	48,050	7,225
Payment of debt issuance costs - related party	(1,116)	0
Proceeds from issuance of common stock and warrants - related party	49,250	5,000
Payment of equity issuance costs - related party	$ (2,080)	$ 0