STOCK OPTIONS |
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Dec. 31, 2021 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Share-based Payment Arrangement [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
STOCK OPTIONS |
The following were stock options transactions during the year ended December 31, 2021:
During the year ended December 31, 2021, the Company granted stock options to employees and consultants to purchase a total of shares of common stock for services rendered. The options have an average exercise price of $per share, expire between zero and five years, vesting from zero and four years from grant date. The total fair value of these options at grant date was approximately $, determined using the Black-Scholes option pricing model. The total stock compensation expense recognized relating to the vesting of stock options for the year ended December 31, 2021 amounted to $1,596,000. As of December 31, 2021, the total unrecognized share-based compensation expense was $, which is expected to be recognized as part of operating expense through December 2025.
The following were stock options transactions during the year ended December 31, 2020:
During the year ended December 31, 2020, the Company granted stock options to employees and consultants to purchase a total of shares of common stock for services rendered. The options have an average exercise price of $per share, expire between four and five years, vesting from 0.43 to four years from grant date. The total fair value of these options at grant date was approximately $using the Black-Scholes option pricing model. The total stock compensation expense recognized relating to the vesting of stock options for the year ended December 31, 2020 amounted to $1,728,000. As of December 31, 2020, the total unrecognized share-based compensation expense was $, which is expected to be recognized as part of operating expense through December 2024.
The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of measurement corresponding with the expected term of the share option award; the expected term represents the weighted-average period of time that share option awards granted are expected to be outstanding giving consideration to vesting schedules and historical participant exercise behavior; the expected volatility is based upon historical volatility of the Company’s common stock; and the expected dividend yield is based on the fact that the Company has not paid dividends in the past and does not expect to pay dividends in the future. |