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Stock-Based Compensation - Schedule of Unrecognized Compensation Cost from Unvested Awards (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Unvested stock options	$ 194
Unvested restricted stock awards	4
Total unrecognized compensation expense	198
2020 (Remaining Nine Months) [Member]
Unvested stock options	94
Unvested restricted stock awards	3
Total unrecognized compensation expense	97
2021 [Member]
Unvested stock options	83
Unvested restricted stock awards	1
Total unrecognized compensation expense	84
2022 [Member]
Unvested stock options	16
Unvested restricted stock awards
Total unrecognized compensation expense	16
2023 [Member]
Unvested stock options	1
Unvested restricted stock awards
Total unrecognized compensation expense	$ 1

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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