Stockholders' Equity (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2021 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Stock Option Activity |
Stock option activity for the nine months ended September 30, 2021 is as follows:
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| Weighted Average Assumptions Used in Determining Fair Value of Stock Options | The following weighted average assumptions were used in determining the fair value of these options:
(1)The risk-free rate is based on the U.S. treasury yields, in effect at the time of grant or modification, corresponding with the expected term of the options.
(2)Expected volatility is based on historical volatilities for a time period similar to that of the expected term of the options.
(3)Expected term of the options is based on probability and expected timing of market events leading to option exercise.
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- References No definition available.
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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