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Note 8 - Stockholders' Deficit (Details 1) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Equity [Abstract] |  |
Outstanding, beginning | 106,650 | 106,650
Granted | 382,353 | 0
Forfeited/canceled | (28,256) | 0
Exercised | (239,706) | 0
Outstanding, ending | 221,041 | 106,650
Exercisable, ending | 221,041 |
Outstanding, beginning | $ 3.40 | $ 3.40
Granted | 3.40 | 0.00
Forfeited/canceled | 3.40 | 0.00
Exercised | .00 | 0.00
Outstanding, ending | 3.40 | $ 3.40
Exercisable, ending | $ 3.40 |

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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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