Net Loss Per Common Share Data - Schedule of Equivalent Shares Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Stock Options | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Equity Awards (in shares) | 6,672,102 | 7,553,379 |
| Restricted Stock Units (RSUs) | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Equity Awards (in shares) | 919,296 | 447,886 |
| Performance based stock units | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Equity Awards (in shares) | 372,675 | 119,116 |