Net income per ordinary share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Basic and diluted number of shares

	December 31,
	2019		2018		2017
	Number of shares
Weighted average number of ordinary shares for the purposes of basic and diluted net income per share		2,301,993		2,061,909		2,061,909