Net loss per share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted net loss per share was calculated as follows for the three months ended March 31, 2020 and 2019:

	Three months ended March 31,
	2020			2019
Basic net loss per share:
Numerator:
Net loss (in thousands)	$	(12,853	)	$	(15,567	)
Denominator:
Weighted average common stock outstanding - basic (in thousands)	28,141			12,713
Dilutive effect of shares of common stock equivalents resulting from common stock options and restricted stock units	—			—
Weighted average common stock outstanding - diluted	28,141			12,713
Net loss per share - basic and diluted	$	(0.46	)	$	(1.22	)

Schedule of common stock equivalents, presented on converted basis, were excluded from calculation of net loss per share due to anti-dilutive effect

The following common stock equivalents outstanding as of March 31, 2020 and 2019, presented on an as converted basis, were excluded from the calculation of net loss per share for the periods presented, due to their anti-dilutive effect (in thousands):

	Three Months Ended March 31,
	2020	2019
Warrants	4,591	4,600
Stock options	1,370	1,299
RSUs	45	—
Total	6,006	5,899