Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 234,160	$ 5,989
Short-term investments	9,950	12,886
Prepaid expenses and other current assets	209	309
Total current assets	244,319	19,184
Other assets	3	4
Total assets	244,322	19,188
Current liabilities:
Accounts payable, accrued expenses and other	566	441
Income taxes payable	22,106
Total current liabilities	22,672	441
Total liabilities	22,672	441
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value: 10,000 shares authorized at March 31, 2024 and December 31, 2023; no shares issued or outstanding at March 31, 2024 or December 31, 2023
Common stock, $0.01 par value: 30,000 shares authorized at March 31, 2024 and December 31, 2023; 14,532 and 14,351 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	1,345	1,343
Additional paid-in capital	567,752	566,221
Accumulated deficit	(347,447)	(548,817)
Total stockholders’ equity	221,650	18,747
Total liabilities and stockholders’ equity	$ 244,322	$ 19,188