CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net loss	$ (229,813)	$ (124,216)
Adjustment to reconcile net loss to net cash used in operating activities
Stock-based compensation	13,794	15,058
Depreciation and amortization	6,814	2,613
Loss from write-down of property, plant and equipment	6,846	50
Amortization of right-of-use assets	865	924
Remeasurement of equity method investment	0	7,480
Income from equity in unconsolidated joint venture	0	(440)
Interest accretion and amortization of debt issuance costs	1,886	0
Interest accretion and amortization of debt issuance costs - related party	4,584	2,950
Commitment fee for SEPA settled by common stock - related party	1,061	0
Loss (gain) on debt extinguishment/(forgiveness)	942	(1,273)
Gain on change in fair value of derivatives - related parties	(11,728)	(19,282)
Other	5,918	2,900
Changes in operating assets and liabilities:
Prepaid expenses	304	(284)
Inventory	(10,284)	(10,096)
Accounts receivable	234	(1,916)
Vendor deposits	6,808	(7,419)
Contract assets	(631)	(1,369)
Accounts payable	19,516	5,823
Accrued expenses	5,079	2,581
Accounts payable and accrued expenses-related parties	(1,200)	(1,317)
Provision for firm purchase commitments	0	(5,475)
Operating lease liabilities	(785)	(846)
Contract liabilities	3,957	772
Note payable	(19,637)	18,695
Other	(1,387)	(2,060)
Net cash used in operating activities	(196,857)	(116,147)
Cash flows from investing activities
Investment in notes receivable	(261)	(4,907)
Proceeds from notes receivable	3,163	1,320
Business acquisition, net of cash acquired	0	(160)
Investment in joint venture	0	(4,000)
Purchases of property, plant and equipment	(20,072)	(15,589)
Net cash used in investing activities	(17,170)	(23,336)
Cash flows from financing activities
Proceeds from issuance of convertible notes payable – related party, net of discount	9,310	100,000
Payment of debt issuance costs - related party	(304)	0
Proceeds received from the Senior Secured Term Loan, net of discount	97,992	0
Payment of debt issuance costs	(12,398)	(4,370)
Principal payments on finance lease obligations	(14)	(11)
Repayment of other financing	0	(94)
Proceeds from equipment financing facility	4,216	7,000
Repayment of equipment financing facility	(1,913)	(455)
Proceeds from exercise of stock options	0	1,074
Proceeds from exercise of public warrants	7	20,099
Repurchase of shares from employees for income tax withholding purposes	(978)	(353)
Other	0	432
Net cash provided by financing activities	139,544	123,322
Effect of foreign exchange on cash, cash equivalents and restricted cash	14	0
Net decrease in cash, cash equivalents and restricted cash	(74,469)	(16,161)
Cash, cash equivalents and restricted cash, beginning of year	105,692	121,853
Cash, cash equivalents and restricted cash, end of year	31,223	105,692
Non-cash investing and financing activities:
Right-of-use operating lease assets in exchange for lease liabilities	2,112	4,351
Fixed assets acquired with finance lease	147	21
Accrued and unpaid capital expenditures	2,626	576
Issuance of convertible notes for interest paid-in-kind	6,267	2,900
Issuance of common stock under June 2022 Promissory Note	7,534	0
Accrued and unpaid debt issuance costs	5,536	0
Supplemental disclosures
Cash paid for interest	5,766	157
At The Market Program
Cash flows from financing activities
Issuance of common stock	38,626	0
SEPA
Cash flows from financing activities
Issuance of common stock	$ 5,000	$ 0