Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 61,139	$ 28,614
Accounts receivable	0	61
Inventory	0	5,824
Prepaid expenses and other current assets	1,008	2,131
Total current assets	62,147	36,630
Property and equipment, net	1,961	2,462
Intangible assets, net	2,551	3,216
Goodwill	2,791	2,791
Right-of-use assets	8,062	8,785
Other assets	365	365
Total assets	77,877	54,249
Current liabilities:
Accounts payable	1,573	2,904
Accrued expenses	2,595	4,389
Deferred revenue	0	16
Lease liability, current	896	774
Note payable, current	0	436
Related party note payable, current	917	0
Total current liabilities	5,981	8,519
Lease liability, less current portion	9,144	10,040
Related party note payable, less current	65,000	0
Total liabilities	80,125	18,559
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $0.001 par value; authorized – 50,000 shares; no shares issued and outstanding	0	0
Common stock, $0.001 par value; authorized – 500,000 shares; issued and outstanding – 37,235 shares and 29,716 shares at December 31, 2022 and 2021, respectively	37	29
Additional paid-in capital	292,420	271,861
Accumulated other comprehensive income (loss)	0	0
Accumulated deficit	(294,705)	(236,200)
Total stockholders’ (deficit) equity	(2,248)	35,690
Total liabilities and stockholders’ equity	$ 77,877	$ 54,249