Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 31,124	$ 39,230
Prepaid expenses and other current assets	424	1,133
Total current assets	31,548	40,363
Property and equipment-net	1,014	840
Operating lease right-of-use assets	9,159	9,952
Other noncurrent assets	448	448
Total assets	42,169	51,603
Current liabilities:
Accounts payable	1,357	845
Accrued expenses	2,379	1,673
Current loan payable (net of discount and issuance costs of $150 and $112, respectively)	8,645	4,285
Current operating lease liabilities	939	952
Accrued compensation	1,133	1,543
Interest payable	106	113
Total current liabilities	14,559	9,411
Loan payable (net of discount and issuance costs of $22 and $164, respectively)	2,008	6,264
Noncurrent operating lease obligations	8,663	9,160
Total liabilities	25,230	24,835
Commitments and contingencies (Note 5)
Stockholders' equity:
Common stock, $0.001 par value; 100,000,000 shares authorized; 24,475,799 and 22,217,265 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	24	22
Additional paid-in capital	199,652	192,009
Accumulated deficit	(182,737)	(165,263)
Total stockholders’ equity	16,939	26,768
Total liabilities and stockholders’ equity	$ 42,169	$ 51,603