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Note 13 - Private Offerings of Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Stockholders Equity [Table Text Block] |
|  |  |  |  |  | Additional |  |  |  |  |
|  | Common |  |  | Paid-In |  |  |  |  |
|  | Stock |  |  | Capital |  |  | Total |
August 26, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Unregistered shares |  | $ | 14,000 |  |  | $ | 2,142,000 |  |  | $ | 2,156,000 |
Warrants |  |  | - |  |  |  | 644,000 |  |  |  | 644,000 |
Total |  | $ | 14,000 |  |  | $ | 2,786,000 |  |  | $ | 2,800,000 |
December 10, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Unregistered shares |  | $ | 32,895 |  |  | $ | 9,295,105 |  |  | $ | 9,328,000 |
Warrants |  |  | - |  |  |  | 672,000 |  |  |  | 672,000 |
Total |  | $ | 32,895 |  |  | $ | 9,967,105 |  |  | $ | 10,000,000 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
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