XML 127 R33.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Note 3 - Earnings Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | 2019 |  |  | 2018 |
Weighted-average common shares issued |  |  | 7,286,554 |  |  |  | 7,232,238 |
Average treasury stock shares |  |  | (816,146 | ) |  |  | (772,330 | )
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 6,470,408 |  |  |  | 6,459,908 |
Additional common stock equivalents (stock options and restricted stock) used to calculate diluted earnings per share |  |  | 32,398 |  |  |  | 27,906 |
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 6,502,806 |  |  |  | 6,487,814 |

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