Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information (unaudited)

Summary of unaudited quarterly results of operations

Quarterly Financial Information (unaudited, in thousands, except share and per share data)

	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2018		2018		2018		2018
Operating expenses	$	7,639	$	6,636	$	6,008	$	6,088
Net loss		(7,652)		(6,479)		(5,679)		(6,060)
Net loss per share:
Basic and Diluted	$	(2.88)	$	(1.98)	$	(0.80)	$	(0.85)
Weighted-average common shares outstanding used in net loss per share:
Basic and Diluted		2,655,584		3,272,877		7,103,841		7,115,507

	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2017		2017		2017		2017
Revenue	$	—	$	—	$	250	$	250
Operating expenses		7,761		6,919		7,202		5,712
Net loss		(7,876)		(6,974)		(7,017)		(5,497)
Net loss per share:
Basic and Diluted	$	(4.13)	$	(3.20)	$	(3.11)	$	(2.37)
Weighted-average common shares outstanding used in net loss per share:
Basic and Diluted		1,909,327		2,179,619		2,256,317		2,321,847