Selected Quarterly Financial Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information

The following condensed quarterly financial information is for the years December 31, 2021 and 2020:

(in thousands, except per share data)	March 31, 2021		June 30, 2021		September 30, 2021		December 31, 2021
Total revenue, net	$	914	$	6,620	$	14,667	$	23,404
Cost of sales and operating expenses	51,457		53,754		65,020		56,109
Loss from operations	(50,543)		(47,134)		(50,353)		(32,705)
Net loss	(50,379)		(47,010)		(50,255)		(33,322)
Basic and diluted loss per common share	$	(0.40)	$	(0.37)	$	(0.39)	$	(0.25)
	March 31, 2020		June 30, 2020		September 30, 2020		December 31, 2020
Total revenue	$	30	$	29	$	29	$	50,030
Operating expenses	27,090		26,892		42,344		58,082
Loss from operations	(27,060)		(26,863)		(42,315)		(8,052)
Net loss	(25,932)		(26,544)		(42,130)		(8,074)
Basic and diluted loss per common share	$	(0.23)	$	(0.24)	$	(0.34)	$	(0.06)