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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Concentration of Risk

The Company’s partners in collaboration and license agreements who represent 10% or more of the Company’s total revenue are as follows:

		Year Ended December 31,
		2021		2020
Customer A		95%		95%
Customer B		*		*
Total		95%		95%

* Less than 10%

The Company’s partners in collaboration and license agreements who represent 10% or more of the Company’s total accounts receivable are as follows:

		December 31,
		2021		2020
Customer A		100%		74%
Customer B		0%		26%
Total		100%		100%

Schedule of Revenues by Geographic Region

The Company’s total revenues by geographic region, based on the location of the customer, are as follows (in thousands):

		Year Ended December 31,
		2021				2020
Netherlands		$	736			$	742
Switzerland			17,181				12,897
United States			121				(27	)
Total revenue		$	18,038			$	13,612

Schedule of Impact of Adoption of New Accounting Standard

The impact of adoption of the new lease standard as of January 1, 2021 is summarized as follows:

		December 31, 2020				ASC 842 Adjustments				January 1, 2021
Operating lease right-of-use assets		$	—			$	16,537			$	16,537
Prepaid expenses and other current assets			4,444				(214	)			4,230
Accrued and other current liabilities			(8,371	)			68				(8,303	)
Other liabilities			(1,852	)			1,696				(156	)
Operating lease liabilities, current			—				(2,029	)			(2,029	)
Operating lease liabilities, long-term			—				(16,058	)			(16,058	)

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