Loss per share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per share

Basic and diluted net loss per common share is computed by dividing net loss by the weighted average number of common shares outstanding during the period as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
Numerator:
Net loss (in thousands)	$	(16,182	)	$	(19,534	)	$	(29,581	)	$	(39,762	)
Denominator:
Weighted average shares used in calculating net loss per share — basic and diluted (in thousands)		35,707			27,791			34,899			27,730
Net loss per share — basic and diluted	$	(0.45	)	$	(0.70	)	$	(0.85	)	$	(1.43	)