Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Stockholders' Equity - Summary of Shares to be Issued (Details)

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Note 9 - Stockholders' Equity - Summary of Shares to be Issued (Details) - shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Shares-to-be-issued, outstanding (in shares) 2,428,329 2,375,760
Granted in current period (in shares) 33,238 358,482
Issued in current period (in shares) (53,416) (214,612)
Shares-to be issued outstanding (in shares) 2,408,151 2,519,630