Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2023

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Results of Operations

The following tables present a summary of quarterly results of operations for 2023 and 2022 (in thousands, except shares and per share data):

	Three months ended
	March 31, 2023		June 30, 2023		September 30, 2023		December 31, 2023
Revenues:
Total revenues	$	—	$	—	$	—	$	—
Operating expenses:
Research and development	62,154		68,605		70,951		70,640
General and administrative	16,182		17,845		27,583		46,536
Total operating expenses	78,336		86,450		98,534		117,176
Loss from operations	(78,336)		(86,450)		(98,534)		(117,176)
Interest income	3,776		3,551		3,298		8,953
Interest expense	(2,336)		(2,901)		(3,504)		(3,971)
Other income	—		—		—		—
Net loss	$	(76,896)	$	(85,800)	$	(98,740)	$	(112,194)
Net loss per common share:
Basic and diluted net loss per common share	$	(4.23)	$	(4.69)	$	(5.34)	$	(5.68)
Basic and diluted weighted average number of common shares outstanding	18,187,924		18,310,952		18,476,414		19,760,842

	Three months ended
	March 31, 2022		June 30, 2022		September 30, 2022		December 31, 2022
Revenues:
Total revenues	$	—	$	—	$	—	$	—
Operating expenses:
Research and development	47,929		58,499		68,271		70,742
General and administrative	9,658		11,774		12,141		14,557
Total operating expenses	57,587		70,273		80,412		85,299
Loss from operations	(57,587)		(70,273)		(80,412)		(85,299)
Interest income	69		323		717		1,076
Interest expense	—		(780)		(1,502)		(1,682)
Other income	—		—		—		—
Net loss	$	(57,518)	$	(70,730)	$	(81,197)	$	(85,905)
Net loss per common share:
Basic and diluted net loss per common share	$	(3.36)	$	(4.14)	$	(4.75)	$	(4.98)
Basic and diluted weighted average number of common shares outstanding	17,103,395		17,103,395		17,103,395		17,237,517