SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

The following table contains quarterly financial information for 2019 and 2018. The Company believes that the following information reflects all normal recurring adjustments necessary for a fair presentation of the information for the periods presented. The operating results for any quarter are not necessarily indicative of results for any future period.

	2019
	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019		Total
	(in thousands, except per share data)
Revenue	$	—	$	—	$	—	$	—	$	—
Total operating expenses	3,841		6,999		8,148		10,344		29,332
Loss from operations	(3,841)		(6,999)		(8,148)		(10,344)		(29,332)
Net loss attributable to common stockholders	(3,828)		(12,287)		(9,268)		(9,875)		(35,258)
Net loss per share attributable to common stockholders, basic and diluted	$	(1.87)	$	(5.99)	$	(4.50)	$	(4.63)	$	(16.99)

	2018
	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018		Total
	(in thousands, except per share data)
Revenue	$	—	$	—	$	—	$	—	$	—
Total operating expenses	1,605		1,914		2,339		3,046		8,904
Loss from operations	(1,605)		(1,914)		(2,339)		(3,046)		(8,904)
Net loss attributable to common stockholders	(1,592)		(1,913)		(2,360)		(3,066)		(8,931)
Net loss per share attributable to common stockholders, basic and diluted	$	(0.80)	$	(0.95)	$	(1.16)	$	(1.51)	$	(4.42)