Related party transactions (Tables)

12 Months Ended

Mar. 31, 2015

Related Party Transactions [Abstract]

Related party group

Year ended	Mr. Anthony	Mr. Kim Wah	Mr. Woo-Ping		Mr. Andrew
March 31,	So	Chung	Fok		So
	Director, Chief Executive Officer	Director	Director		Director , Chief Operating Officer
	$ in thousands	$ in thousands	$ in thousands		$ in thousands
2013	$857 (i), (iii)	$160 (iii)	Nil	$	124
2014	$857 (i), (iii)	$161 (iii)	Nil	$	128
2015	$857 (i), (iii)	$160 (iii)	Nil	$	124

	Mr. Henry	Mr. Albert
	Schlueter	So
	Director and Assistant Secretary	Director, Chief Financial Officer and Secretary
	$ in thousands	$ in thousands
2013	$74 (ii)	$124 (iii)
2014	$84 (ii)	$125
2015	$55 (ii)	$109