Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 55,759	$ 35,793
Short term investments, net	69,648	108,222
Inventory, net	9,726	7,306
Prepaid expenses and other current assets	7,557	7,428
Total current assets	146,140	161,200
Deposits and other assets	6,991	3,108
Long term investments, net		12,253
Property and equipment, net	934	1,112
Total assets	154,065	177,673
Current liabilities:
Accounts payable	2,669	419
Note payable, current portion, net		15,579
Derivative liability, current portion		20
Total current liabilities	17,302	31,471
Long-term debt and notes payables, net	40,485	56,383
Derivative liabilities	245	52,050
Other liabilities	6,312	2,689
Total liabilities	64,344	142,593
Preferred stock and additional paid-in-capital, subject to possible redemption: $0.001 par value per share; 12,000 shares and 12,000 shares issued and outstanding as of September 30, 2023 and December 31, 2022	37,656	37,656
Total temporary equity	37,656	37,656
Commitments and contingencies
Stockholders' equity (deficit):
Common stock, $0.001 par value per share; 900,000,000 shares authorized as of September 30, 2023 and December 31, 2022; 528,176,273 shares and 479,637,138 shares issued and outstanding as of September 30, 2023 and December 31, 2022	528	480
Additional paid-in capital	903,665	806,488
Accumulated other comprehensive loss	(59)	(678)
Accumulated deficit	(852,069)	(808,866)
Total stockholders' equity (deficit)	52,065	(2,576)
Total liabilities and stockholders' equity	154,065	177,673
Related Party
Current assets:
Accounts receivable, net	2,749	2,324
Current liabilities:
Accrued expenses and other current liabilities	277	837
Nonrelated Party
Current assets:
Accounts receivable, net	701	127
Current liabilities:
Accrued expenses and other current liabilities	$ 14,356	$ 14,616