Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 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:

	Three Months Ended March 31,
	2021	2020
Customer A	80%	96%
Customer B	20%	*
Customer C	*	*
Total	100%	96%

* 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:

	March 31, 2021	December 31, 2020
Customer A	100%	74%
Customer B	*	*
Customer C	*	26%
Total	100%	100%

* Less than 10%

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):

	Three Months Ended March 31,
	2021		2020
Netherlands	$	392	$	124
Switzerland		1,605		3,388
United States		3		23
	$	2,000	$	3,535