XML 75 R60.htm IDEA: XBRL DOCUMENT v3.19.1
Selected Statement of Operations Data (Details 6) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Earnings per ordinary share (''EPS''):      
Weighted average number of shares issued and outstanding - used in computation of basic EPS 19,344 19,292 19,234
Add - incremental shares from assumed exercise of options 217 267 73
Weighted average number of shares used in computation of diluted EPS 19,561 19,559 19,307