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

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlockSupplementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration