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Condensed Consolidated Statements Of Stockholders' Equity (Unaudited) (Parentheticals) - shares | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Statement of Stockholders' Equity [Abstract] |  |  |  |
Shares issued (in shares) | 9,217 | 15,745 | 140,305 | 54,085

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