CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 69,473	$ 17,076
Restricted cash	3,439	2,725
Accounts receivable, net	3,387	1,666
Inventory, net	17,070	23,260
Vendor deposits	7,161	4,789
Contract assets, current	6,386	1,859
Prepaid expenses	1,082	2,289
Grant receivable	3,256	263
Other receivables	7,500	0
Other current assets	3,577	1,220
Total current assets	122,331	55,147
Property, plant and equipment, net	37,855	27,169
Intangible assets, net	295	240
Goodwill	4,331	4,331
Operating lease right-of-use asset, net	4,033	4,316
Long-term restricted cash	11,755	11,422
Other assets, net	5,892	4,163
Total assets	186,492	106,788
Current liabilities:
Accounts payable	20,540	34,669
Accrued expenses	32,332	15,359
Operating lease liability, current	1,496	1,106
Long-term debt, current	3,332	2,872
Convertible notes payable - related party	0	2,688
Contract liabilities, current	3,070	3,850
Other current liabilities	100	32
Total current liabilities	60,870	60,576
Long-term liabilities:
Operating lease liability	3,350	4,130
Long-term debt	88,002	87,321
Convertible notes payable - related party	112,525	82,950
Contract liabilities, long-term	3,540	956
Warrants	27,461	78
Other liabilities	1,544	3,488
Total long-term liabilities	236,422	178,923
Total liabilities	297,292	239,499
COMMITMENTS AND CONTINGENCIES (NOTE 16)
SHAREHOLDERS' DEFICIT
Common Stock, $0.0001 par value, 300,000,000 and 300,000,000 shares authorized, 199,133,827 and 82,653,781 shares outstanding at December 31, 2023 and 2022, respectively	21	9
Preferred stock, $0.0001 par value, 1,000,000 shares authorized, no shares outstanding at December 31, 2023 and 2022	0	0
Additional paid in capital	765,018	513,614
Accumulated deficit	(875,846)	(646,340)
Accumulated other comprehensive income	7	6
Total shareholders' deficit	(110,800)	(132,711)
Total liabilities and shareholders’ deficit	$ 186,492	$ 106,788