XML 62 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Shareholders' Equity (Share Option Plan) (Details) - shares
1 Months Ended 12 Months Ended
Aug. 31, 2012
Dec. 31, 2017
Oct. 31, 2013
Dec. 31, 2007
Jul. 31, 2004
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Capital gains tax   25.00%      
Share Option Plan (2004) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Option expiration term   10 years      
Shares authorized       582,750 282,750
Additional shares authorized 500,000        
Conversion rate  
1:1
     
Share Option Plan 2013 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares authorized     500,000