CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 104,831	$ 121,853
Restricted cash	861	0
Accounts receivable, net	1,916	0
Inventory, net	12,976	214
Vendor deposits	16,653	2,390
Notes receivable, net	103	0
Prepaid expenses	2,595	2,274
Other current assets	2,637	636
Total current assets	142,572	127,367
Property and equipment, net	12,890	5,653
Intangible assets, net	280	320
Goodwill	4,331	0
Investment in joint venture	0	3,736
Security deposits, net	1,239	825
Notes receivable, long-term, net	3,547	100
Operating lease right-of-use asset, net	3,468	0
Other assets, net	848	263
Total assets	169,175	138,264
Current liabilities
Warranty accrual	12,531	3,378
Accrued expenses	7,674	5,093
Accounts payable and accrued expenses - related parties	1,200	2,517
Provision for firm purchase commitments - related parties	0	1,585
Operating lease liability, current portion	1,084	0
Notes payable, current portion	4,926	0
Long-term debt, current portion	1,644	924
Other current liabilities	858	88
Total current liabilities	29,917	13,585
Long-term liabilities
Operating lease liability, long-term	3,224	0
Notes payable	13,769	0
Long-term debt	4,727	427
Convertible notes payable - related party	84,148	0
Warrants liability - related party	926	2,701
Other liabilities	17	766
Total long-term liabilities	106,811	3,894
Total liabilities	136,728	17,479
COMMITMENTS AND CONTINGENCIES (NOTE 10)	0	0
SHAREHOLDERS' EQUITY
Common Stock, $0.0001 par value, 200,000,000 shares authorized, 53,786,632 and 48,943,082 shares outstanding at December 31, 2021 and 2020, respectively	5	5
Contingently Issuable Common Stock	0	17,600
Preferred stock, $0.0001 par value, 1,000,000 shares authorized, no shares outstanding at December 31, 2021 and 2020	0	0
Additional paid in capital	448,969	395,491
Accumulated deficit	(416,527)	(292,311)
Total shareholders' equity	32,447	120,785
Total liabilities and shareholders’ equity	$ 169,175	$ 138,264