Stock-based Compensation - Option Valuation Method - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | ||
| Weighted average value of options granted in period (in dollars per share) | $ 0.75 | $ 0.90 |
| Aggregate fair value of options granted | $ 1.3 | $ 1.1 |
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- References No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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