XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Note 13 - Net Earnings Per Common Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2016 |  | 2015
Shares issued and outstanding at beginning of period |  |  | 35,939,011 |  |  |  | 35,970,605 |
Weighted average number of shares: |  |  |  |  |  |  |  |
Issued during the period |  |  | 72,023 |  |  |  | 129,867 |
Repurchased during the period |  |  | (45,247 | ) |  |  | (87,214 | )
Weighted average number of shares used in computing basic earnings per share |  |  | 35,965,787 |  |  |  | 36,013,258 |
Assumed exercise of stock options, net of shares assumed acquired under the Treasury Stock Method |  |  | 399,997 |  |  |  | 411,769 |
Number of shares used in computing diluted earnings per share |  |  | 36,365,784 |  |  |  | 36,425,027 |

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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