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Statements of Stockholders' Equity (Parenthetical) - shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Statement of Stockholders' Equity [Abstract] |  |
Exercise of stock options, net of cashless exercise of shares | 93,840 | 21,864

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- Definition Exercise of stock options, net of cashless exercise of shares. + References No definition available. + Details
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Balance Type: | na
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- References No definition available. + Details
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