Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 12,317	$ 36,773
Short-term investments	41,374	54,270
Prepaid expenses and other current assets	1,273	2,704
Total current assets	54,964	93,747
Property and equipment, net	190	148
Operating lease right-of-use asset	274	266
Other assets	1,264	1,830
Total assets	56,692	95,991
Current Liabilities:
Accounts payable	2,441	2,540
Accrued expenses	10,376	7,193
Operating lease liabilities	282	278
Current portion of long-term debt, net	25,274	0
Total current liabilities	38,373	10,011
Long-term debt, net	0	24,877
Total liabilities	38,373	34,888
Stockholders' equity:
Convertible preferred stock, $0.0001 par value; 10,000,000 shares authorized as of December 31, 2023; 10,248 shares issued and outstanding as of December 31, 2023 and December 31, 2022	5,452	5,452
Common stock, $0.0001 par value; 400,000,000 shares authorized; 39,093,509 and 38,345,140 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	4	4
Additional paid-in capital	278,786	270,699
Accumulated other comprehensive income (loss)	9	(178)
Accumulated deficit	(265,932)	(214,874)
Total stockholders' equity	18,319	61,103
Total liabilities and stockholders' equity	$ 56,692	$ 95,991