Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies

Future annual minimum lease payments

Future annual minimum lease payments at December 31, 2016 are as follows:

	Total Minimum
	Lease Payments
	(in thousands)
2017		3,211
2018		3,290
2019		3,382
2020		3,762
2021		3,868
2022+		12,273
	$	29,786

Allocable arrangement consideration allocation

Unit of Accounting	Amount
	(in thousands)
Research and Development Services for:
Huntington’s Program	$	15,662
Parkinson’s Program		6,648
Friedreich’s Ataxia Program		16,315
Spinal Muscular Atrophy Program		32,050
Future Program		2,464
Committee Obligations:
AJSC		147
DAC		227
License Option and related deliverables		5,743
Total	$	79,256