XML 31 R20.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 4 - Earnings Per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | For the Three |
|  | Months Ended |
|  | March 31, |
|  | 2018 |  |  | 2017 |
Weighted-average common shares outstanding |  |  | 3,606,427 |  |  |  | 3,065,981 |
Average treasury stock shares |  |  | (386,165 | ) |  |  | (386,165 | )
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 3,220,262 |  |  |  | 2,679,816 |
Additional common stock equivalents (stock options and restricted stock) used to calculate diluted earnings per share |  |  | 17,807 |  |  |  | 12,199 |
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 3,238,069 |  |  |  | 2,692,015 |

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://fasb.org/us-gaap/role/ref/legacyRef -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