Commitments and contingencies (Tables)

6 Months Ended

Jun. 30, 2022

Schedule of collaboration receivables and contract liabilities

	Balance at						Balance at
	December 31, 2021		Additions		Deductions		June 30, 2022
		(in thousands)
Related party collaboration receivable	$	732	$	358		(939)	$	151
Contract liabilities:
Deferred revenue	$	12,096	$	-	$	(1,214)	$	10,881

Neurocrine Collaboration Agreement

Schedule of allocation of variable consideration

Performance Obligation	Amount
	(in thousands)
Variable Consideration
VY-AADC Program	$	53,863
FA Program		17,088
Discovery Program 1		5,355
Discovery Program 2		3,362
Total	$	79,668

Schedule of allocation of fixed consideration

Performance Obligation	Amount
	(in thousands)
Fixed Consideration
VY-AADC Program	$	49,045
FA Program		20,647
Discovery Program 1		14,443
Discovery Program 2		8,247
Total	$	92,382