Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 46,814	$ 71,061
Short-term investments	29,199	47,125
Restricted cash		182
Accounts receivable	4,489
Inventory	8,840	1,230
Prepaid expenses	2,436	2,282
Deposits and other current assets	1,160	1,428
Total current assets	92,938	123,308
Property and equipment, net	58	54
Right-of-use lease assets - operating, net	1,401	566
Deposits and other assets	82	267
Total assets	94,479	124,195
Current liabilities
Accounts payable	4,001	1,518
Accrued expenses	8,901	5,289
Lease obligation - operating, short-term	176	567
Other current liabilities	56	42
Total current liabilities	13,134	7,416
Term loan, long-term	38,811	36,794
Derivative liability	3,857	7,517
Lease obligation - operating, long-term	1,282	7
Other liabilities	177	28
Total liabilities	57,261	51,762
Commitments and contingencies (Note 13)
Stockholders’ Equity
Preferred stock, $0.0001 par value; 10,000,000 shares authorized and no shares issued and outstanding
Common stock; $0.0001 par value; 150,000,000 shares authorized at December 31, 2023; 34,257,916 and 35,968,510 shares issued and outstanding at December 31, 2022 and December 31, 2023, respectively	4	3
Additional paid-in capital	318,561	298,934
Accumulated deficit	(281,346)	(226,536)
Accumulated other comprehensive (loss) income	(1)	32
Total stockholders’ equity	37,218	72,433
Total liabilities and stockholders’ equity	$ 94,479	$ 124,195