7. Stockholders' Equity (Tables) |
3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2020 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock Option Activity |
The following table summarizes stock option activity for the year ended December 31, 2019 and for the three months ended March 31 2020:
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock-Based Compensation Expense |
The impact on our results of operations of recording stock-based compensation expense for the three months ended March 31, 2020 and 2019 were as follows:
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Valuation Assumptions |
The following weighted average assumptions were used for the three months ended March 31, 2020 and 2019.
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Restricted Stock Unit Activity |
The following table summarizes restricted stock unit activity under our stock-based plans for the year ended December 31, 2019 and for the three months ended March 31, 2020:
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Restricted Stock Units (RSUs) [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock-Based Compensation Expense |
The impact on our results of operations of recording stock-based compensation expense for restricted stock units for the three months ended March 31, 2020 and 2019 was as follows:
|