Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 72,630	$ 25,563
Marketable securities	184,604	210,658
Unbilled accounts receivable	3,656	537
Prepaid expenses and other current assets	6,599	5,441
Total current assets	267,489	242,199
Property and equipment, net	4,218	5,216
Operating lease right-of-use assets	6,024	7,176
Restricted cash	1,201	1,092
Other assets	76	2,011
Total assets	279,008	257,694
Current liabilities:
Accounts payable	4,041	2,757
Accrued expenses and other current liabilities	8,334	8,726
Operating Lease Liability, current	2,134	2,192
Total current liabilities	14,509	13,675
Operating lease liability, excluding current portion	7,011	8,629
Other liabilities, excluding current portion	197	197
Total liabilities	21,717	22,501
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value; 200,000,000 shares authorized; 53,938,661 and 61,915,367 shares issued and outstanding as of September 30, 2024 and December 31, 2023, respectively	54	62
Additional paid-in capital	759,688	744,940
Accumulated other comprehensive gain (loss)	379	(136)
Accumulated deficit	(502,830)	(509,673)
Total stockholders’ equity	257,291	235,193
Total liabilities and stockholders’ equity	$ 279,008	$ 257,694