Share-Based Payments (Tables)

9 Months Ended

Sep. 30, 2022

Summary of Stock Options Valuation Assumptions

Stock option fair value assumptions during the nine months ended September 30, 2022
Weighted average share price at grant date in €	4.3
Weighted average expected volatility	93.6	%
Weighted average risk-free interest rate	0.89	%
Weighted average expected term (in years)	6
Dividend yield	—
Weighted average fair value of stock options in €	3.3

Summary of RSU Activity

Change in Number of BSA/SO/RSU:

	Number of outstanding
	BSA			SO			RSUs
Balance as of December 31, 2021		256,693			3,631,210			1,240,520
Granted during the period		—			154,500			69,900
Forfeited during the period		—			(238,715	)		(92,326	)
Exercised/released during the period		—			(5,613	)		(32,159	)
Expired during the period		(5,000	)		—			—
Balance as of September 30, 2022		251,693			3,541,383			1,185,936

Summary of Share-Based Payments Expenses

Share-based payments expenses reflected in the condensed consolidated statements of operations is as follows:

	Three Months Ended September 30,							Nine Months Ended September 30,
	2022				2021			2022			2021
Research & development		SO	(337	)		(273	)		(1,002	)		(952	)
		RSU	(201	)		(660	)		(594	)		(795	)
Sales & marketing		SO	30			(60	)		(3	)		(172	)
		RSU	20			(27	)		4			(75	)
General & administrative		SO	(423	)		(439	)		(1,599	)		(1,791	)
		RSU	(66	)		(92	)		(223	)		(293	)
Total share-based compensation (expense)			(976	)		(1,551	)		(3,416	)		(4,078	)