Related party transactions (Tables)

12 Months Ended

Mar. 31, 2019

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 and Chief Operating Officer
		$ in thousands	$ in thousands	$ in thousands	$ in thousands
	2017	$643 (i), (iii)	$171 (iii)	Nil	$249
	2018	$643 (i), (iii)	$170 (iii)	Nil	$259 (iii)
	2019	$643 (i), (iii)	$171 (iii)	Nil	$249 (iii)

	Mr. Henry Schlueter	Mr. Albert So
	Director and Assistant Secretary	Director, Chief Financial Officer and Secretary
	$ in thousands	$ in thousands
2017	$62(ii)	$152
2018	$60(ii)	$162 (iii)
2019	$60(ii)	$152 (iii)