Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 109,066	$ 144,885
Restricted Cash	4,708	172
Amounts due from related parties	400	393
Prepaid expenses and other current assets	7,848	8,851
Total current assets	122,022	154,301
Property and equipment, net	12,898	12,372
Long-term deposits	2,076	0
Total assets	136,996	166,673
Current liabilities:
Accounts payable	338	3,192
Amounts due to related parties	16,724	19,407
Accrued expense and other current liabilities	11,844	4,519
Notes payable	384	376
Total current liabilities	29,290	27,494
Other liabilities
Notes payable, net of current portion	10,129	10,323
Other long-term liabilities	236	237
Total liabilities	39,655	38,054
Preferred stock: $0.0001 par value,50,000,000 shares authorized at June 30, 2022 and December 31, 2021	0	0
Stockholders' equity:
Additional paid-in capital	362,059	357,822
Accumulated deficit	(264,996)	(229,481)
Total stockholders equity	97,341	128,619
Total liabilities and stockholders equity	136,996	166,673
Class A Common Stock [Member]
Stockholders' equity:
Common stock:	278	278
Common Class B [Member]
Stockholders' equity:
Common stock:	$ 0	$ 0