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Condensed Consolidated Statements Of Stockholders' Equity (Parentheticals) - shares | 3 Months Ended | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Statement of Stockholders' Equity [Abstract] |  |  |  |
Shares issued (shares) | 543 | 662 | 54,628 | 25,431

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