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Statements of Stockholders' Equity (Unaudited) (Parenthetical) - shares	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]
Exercise of stock options, net of cashless exercise of shares	8,958	58,122	11,409
Exercise of stock options, net of cashless exercise shares withheld		92,634

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- Definition

Exercise of stock options, net of cashless exercise of shares.

+ References

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- Definition

Exercise of stock options, net of cashless exercise shares withheld.

+ References

No definition available.

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- References

No definition available.

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