UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 55,361	$ 104,831
Restricted cash	1,255	861
Accounts receivable, net	2,684	1,916
Inventory, net	10,292	12,976
Vendor deposits	21,722	16,653
Notes receivable, net	104	103
Prepaid expenses	2,493	2,595
Other current assets	2,243	2,637
Total current assets	96,154	142,572
Property, plant and equipment, net	14,520	12,890
Intangible assets, net	270	280
Goodwill	4,331	4,331
Security deposits, net	1,228	1,239
Notes receivable, long-term, net	3,515	3,547
Operating lease right-of-use asset, net	4,989	3,468
Other assets, net	1,852	848
Total assets	126,859	169,175
Current liabilities:
Accounts payable	11,660	12,531
Accrued expenses	12,798	7,674
Accounts payable and accrued expenses - related parties	0	1,200
Operating lease liability, current portion	899	1,084
Note payable, current portion	4,970	4,926
Long-term debt, current portion	1,703	1,644
Contract liabilities, current portion	1,763	849
Other current liabilities	6	9
Total current liabilities	33,799	29,917
Long-term liabilities:
Operating lease liability, long-term	4,943	3,224
Note payable, excluding current portion	13,892	13,769
Long-term debt, excluding current portion	4,279	4,727
Convertible note payable - related party	77,083	84,148
Interest payable - related party	1,544	0
Contract liabilities, long-term	1,160	0
Warrants liability - related party	359	926
Other liabilities	20	17
Total long-term liabilities	103,280	106,811
Total liabilities	137,079	136,728
COMMITMENTS AND CONTINGENCIES (NOTE 9)
SHAREHOLDERS' EQUITY (DEFICIT)
Common Stock, $0.0001 par value, 200,000,000 shares authorized, 53,980,608 and 53,786,632 shares outstanding at March 31, 2022 and December 31, 2021, respectively	5	5
Preferred stock, $0.0001 par value, 1,000,000 shares authorized, no shares outstanding at March 31, 2022 and December 31, 2021	0	0
Additional paid in capital	452,093	448,969
Accumulated deficit	(462,318)	(416,527)
Total shareholders' equity (deficit)	(10,220)	32,447
Total liabilities and shareholders’ equity (deficit)	$ 126,859	$ 169,175