Quarterly Financial Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Financial Information

The following table provides selected unaudited quarterly financial data for the years ended December 31, 2019 and 2018 (in thousands, except per share data):

	Three Months Ended
	December 31, 2019		September 30, 2019		June 30, 2019		March 31, 2019
Revenue	$	18,634	$	17,026	$	14,928	$	12,766
Gross profit	$	13,913	$	12,856	$	11,231	$	9,427
Net loss	$	(8,291)	$	(8,007)	$	(11,959)	$	(24,158)
Net loss per share, basic and diluted	$	(0.27)	$	(0.26)	$	(0.42)	$	(20.12)

	Three Months Ended
	December 31, 2018		September 30, 2018		June 30, 2018		March 31, 2018
Revenue	$	11,470	$	9,614	$	7,767	$	5,706
Gross profit	$	7,803	$	6,732	$	5,376	$	3,772
Net loss	$	(15,618)	$	(8,953)	$	(7,651)	$	(5,408)
Net loss per share, basic and diluted	$	(14.12)	$	(8.49)	$	(8.16)	$	(7.31)