Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)

14. Selected Quarterly Financial Data (Unaudited)

The following table contains quarterly financial information for 2021 and 2020. The Company believes that the following information reflects all normal recurring adjustments necessary for the fair statement of the information for the periods presented. The operating results for any quarter are not necessarily indicative of results for any future period.

	2021
	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Total
	(in thousands, except per share amounts)
Total operating expenses	$	11,410		$	13,687		$	12,431		$	10,121		$	47,649
Loss from operations		(11,410	)		(13,687	)		(12,431	)		(10,121	)		(47,649	)
Net loss		(11,636	)		(13,972	)		(12,692	)		(10,363	)		(48,663	)
Net loss attributable to common stockholders -    basic and diluted	$	(0.21	)	$	(0.24	)	$	(0.17	)	$	(0.13	)	$	(0.72	)
	2020
	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Total
	(in thousands, except per share amounts)
Total operating expenses	$	7,524		$	6,559		$	7,918		$	9,985		$	31,986
Loss from operations		(7,524	)		(6,559	)		(7,918	)		(9,985	)		(31,986	)
Net loss		(7,585	)		(6,976	)		(8,026	)		(10,258	)		(32,845	)
Net loss attributable to common stockholders -    basic and diluted	$	(0.31	)	$	(0.26	)	$	(0.22	)	$	(0.24	)	$	(1.01	)