Stock-Based Compensation - Schedule of Stock Based Compensation (Details) - USD ($) |
3 Months Ended | |
---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
Total stock-based compensation expense | $ 1,256,000 | $ 2,103,000 |
Stock Option [Member] | ||
Total stock-based compensation expense | 1,256,000 | 2,103,000 |
Tax benefit | ||
Stock based compensation expense, net of tax | 1,256,000 | 2,103,000 |
Stock Option [Member] | Research and Development Expense [Member] | ||
Total stock-based compensation expense | 744,000 | 1,032,000 |
Stock Option [Member] | General and Administrative Expenses [Member] | ||
Total stock-based compensation expense | 512,000 | 1,071,000 |
Restricted Stock [Member] | ||
Total stock-based compensation expense | 464,000 | 172,000 |
Tax benefit | ||
Stock based compensation expense, net of tax | 464,000 | 172,000 |
Restricted Stock [Member] | Research and Development Expense [Member] | ||
Total stock-based compensation expense | 325,000 | |
Restricted Stock [Member] | General and Administrative Expenses [Member] | ||
Total stock-based compensation expense | $ 139,000 | $ 172,000 |