Consolidated Balance Sheets (Unaudited) (Parenthetical)	Sep. 30, 2015 $ / shares shares	Sep. 30, 2015 € / shares shares	Dec. 31, 2014 $ / shares shares	Dec. 31, 2014 € / shares shares
Statement Of Financial Position [Abstract]
Common ordinary shares, par value | (per share)	$ 0.001	€ 1.00	$ 0.001
Common ordinary shares, shares authorized	350,000,000	350,000,000	350,000,000	350,000,000
Common ordinary shares, shares issued	13,355,477	13,355,477	0	0
Common ordinary shares, shares outstanding	13,355,477	13,355,477	0	0
Deferred ordinary shares, par value | (per share)	$ 1.35	€ 1	$ 1.35	€ 1
Deferred ordinary shares, shares authorized	39,994	39,994	40,000	40,000
Deferred ordinary shares, shares issued	39,994	39,994	40,000	40,000
Deferred ordinary shares, shares outstanding	39,994	39,994	40,000	40,000