Net Loss Per Share Attributable to Ordinary Shareholders (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Ordinary Share

Basic and diluted net loss per ordinary share are calculated as follows (in thousands, other than share and per share data):

	Year Ended December 31,
	2021			2020			2019
Numerator:
Net loss attributable to ordinary shareholders—basic and diluted	$	(52,527	)	$	(57,457	)	$	(71,728	)
Denominator:
Weighted-average ordinary shares used in net loss per share attributable to ordinary shareholders—basic and diluted		682,388,906			556,169,255			375,669,759
Net loss per share attributable to ordinary shareholders—basic and diluted	$	(0.08	)	$	(0.10	)	$	(0.19	)

Summary of Anti-dilutive Ordinary Share Equivalents As Converted Basis Excluded Calculation of Net Loss Per Share

The following ordinary share equivalents, presented on an as converted basis, were excluded from the calculation of net loss per share for the periods presented, as their effect is anti-dilutive:

	Year Ended December 31,
	2021		2020		2019
Ordinary share warrants- Term Loan issuance		500,000		500,000		500,000
Ordinary share warrants issued to MVIL- related party		161,823,177		46,153,846		—
Ordinary share warrants- Venture Loan Issuance		13,636,364		—		—
2020 Restricted share units (in ordinary shares)		13,087,848		15,013,296		—
Outstanding share options		63,578,562		44,959,938		36,126,371
Total		252,625,951		106,627,080		36,626,371