XML 71 R56.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 9 - Options: Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Tables)
 12 Months Ended
Dec. 31, 2016
Tables/Schedules  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

 

 

 

Years ended December 31,

 

 

2016

 

 

2015

 

 

2014

Expected dividend amount per quarter

$

0.2775

 

$

n/a

 

$

0.2624

Expected stock price volatility

 

28.0%

 

 

 

 

 

27.0%

Risk-free interest rate

 

1.30%

 

 

 

 

 

1.50%

Expected life of options

 

4.7 years

 

 

 

 

 

4.7 years