XML 32 R21.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Note 3 - Earnings Per Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | For the Three |  |  | For the Six |
|  | Months Ended |  |  | Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Weighted-average common shares outstanding |  |  | 3,386,616 |  |  |  | 2,437,302 |  |  |  | 3,227,184 |  |  |  | 2,350,822 |
Average treasury stock shares |  |  | (386,165 | ) |  |  | (386,165 | ) |  |  | (386,165 | ) |  |  | (386,165 | )
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 3,000,451 |  |  |  | 2,051,137 |  |  |  | 2,841,019 |  |  |  | 1,964,657 |
Additional common stock equivalents (stock options) used to calculate diluted earnings per share |  |  | 13,689 |  |  |  | 8,274 |  |  |  | 13,139 |  |  |  | 8,522 |
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 3,014,140 |  |  |  | 2,059,411 |  |  |  | 2,854,158 |  |  |  | 1,973,179 |

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
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