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Note 3 - Quarterly Results of Operations (Unaudited): Quarterly Financial Information (Tables) | 12 Months Ended
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Dec. 31, 2020
Tables/Schedules |
Quarterly Financial Information |
|  |  | Unaudited Quarterly Data for 2020
|  |  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter
Net Sales |  | $ | 10,902 |  | $ | 8,787 |  | $ | 10,479 |  | $ | 12,010
Gross Profit |  |  | 6,836 |  |  | 4,950 |  |  | 6,497 |  |  | 7,265
Net Income |  |  | 3,140 |  |  | 1,313 |  |  | 2,933 |  |  | 3,412
Earnings Per Common Share (Diluted) |  |  | 0.84 |  |  | 0.36 |  |  | 0.80 |  |  | 0.94
|  |  | Unaudited Quarterly Data for 2019
|  |  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter
Net Sales |  | $ | 10,732 |  | $ | 11,846 |  | $ | 12,494 |  | $ | 11,831
Gross Profit |  |  | 6,773 |  |  | 7,500 |  |  | 7,379 |  |  | 7,814
Net Income |  |  | 3,139 |  |  | 3,525 |  |  | 3,705 |  |  | 4,359
Earnings Per Common Share (Diluted) |  |  | 0.84 |  |  | 0.94 |  |  | 0.99 |  |  | 1.17
|  |  | Unaudited Quarterly Data for 2018
|  |  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter
Net Sales |  | $ | 10,887 |  | $ | 10,965 |  | $ | 10,390 |  | $ | 9,756
Gross Profit |  |  | 6,922 |  |  | 6,984 |  |  | 6,294 |  |  | 6,106
Net Income |  |  | 4,092 |  |  | 4,308 |  |  | 6,762 |  |  | 3,393
Earnings Per Common Share (Diluted) |  |  | 1.09 |  |  | 1.15 |  |  | 1.80 |  |  | 0.91

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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