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Stock-Based Compensation - Schedule of Unrecognized Compensation Cost from Unvested Awards (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Unvested stock options | $ 107
Unvested restricted stock awards | 1
Total unrecognized compensation expense | 108
2021 [Member] |
Unvested stock options | 82
Unvested restricted stock awards | 1
Total unrecognized compensation expense | 83
2022 [Member] |
Unvested stock options | 21
Unvested restricted stock awards |
Total unrecognized compensation expense | 21
2023 [Member] |
Unvested stock options | 4
Unvested restricted stock awards |
Total unrecognized compensation expense | 4
2024 [Member] |
Unvested stock options |
Unvested restricted stock awards |
Total unrecognized compensation expense |

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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