Restricted cash (Tables)

12 Months Ended

Dec. 31, 2017

Restricted cash

Schedule of classifications of restricted cash

	December 31,
	2017		2016		2015
	(Euro,in thousands)
Non-current restricted cash	€	1,158	€	1,098	€	1,046
Current restricted cash		—		6,570		6,857
Total restricted cash	€	1,158	€	7,668	€	7,903