Equity - Equity Incentive Plan Assumptions (Details) - Equity Incentive Plan - Stock options	3 Months Ended
Mar. 31, 2021
2021 Employee Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life	5 years 9 months
Weighted average volatility	94.00%
Forfeiture rate	0.00%
Weighted average risk-free interest rate	0.47%
Expected dividend rate	0.00%
2021 Director Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life	10 years
Weighted average volatility	88.00%
Forfeiture rate	0.00%
Weighted average risk-free interest rate	1.10%
Expected dividend rate	0.00%

The Forfeiture rate assumption that is used in valuing an option on its own shares.

No definition available.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

+ Details

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

+ Details

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ 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 (f)(2)(i)
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

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