Equity distribution agreement maximum number of shares to be sold.

No definition available.

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- Definition

Per share or per unit amount of shares withheld for tax withholding obligation.

+ References

No definition available.

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- Definition

Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
-Subparagraph (i)
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

No definition available.

+ Details

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- Definition

Number of new stock issued during the period.

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Note 6 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Feb. 18, 2021
Share-Based Payment Arrangement, Expense	$ 1.8	$ 1.5	$ 4.3	$ 4.8
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 8.4		$ 8.4
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 9 months 18 days
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)			737,258	574,251
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation			$ 3.7	$ 4.5
Shares Withheld for Tax Withholding Obligation, Price Per Share (in dollars per share)	$ 4.99	$ 7.88	$ 4.99	$ 7.88
Stock Issued During Period, Shares, New Issues (in shares)	1,176,861		1,176,861
At the market Offering [Member]
Equity Distribution Agreement, Maximum Number of Shares to be Sold (in shares)					60,000,000
At the market Offering [Member] \| At The Market Equity Distribution Agreement [Member]
Stock Issued During Period, Shares, New Issues (in shares)			1,176,861
Proceeds from Issuance or Sale of Equity			$ 4.5
Payments of Stock Issuance Costs			$ 0.1