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Stock-Based Compensation - Schedule of Unrecognized Compensation Cost from Unvested Awards (Details) $ in Thousands	Dec. 31, 2020 USD ($)
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

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X

- 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

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X

- 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

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