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Note 11 - Stock-Based Compensation - Activity of Restricted Stock Units (Details)	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Time-based Restricted Stock Units [Member]
Restricted Stock Units Outstanding , Balance (in shares) | shares	1,164,996
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.28
Restricted Stock Units, Granted in Period (in shares) | shares	779,629
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 4.19
Restricted Stock Units, Vested in Period (in shares) | shares	(33,979)
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 2.58
Restricted Stock Units, Forfeited in Period (in shares) | shares	(16,083)
Restricted Stock Units, Forfeited, Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.27
Restricted Stock Units Outstanding , Balance (in shares) | shares	1,894,563
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.67
Market Condition Restricted Stock Units [Member]
Restricted Stock Units Outstanding , Balance (in shares) | shares	801,845
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.37
Restricted Stock Units, Granted in Period (in shares) | shares	0
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 0
Restricted Stock Units, Vested in Period (in shares) | shares	0
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 0
Restricted Stock Units, Forfeited in Period (in shares) | shares	0
Restricted Stock Units, Forfeited, Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 0
Restricted Stock Units Outstanding , Balance (in shares) | shares	801,845
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 3.37
Performance-based Restricted Stock Units [Member]
Restricted Stock Units Outstanding , Balance (in shares) | shares	0
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 0
Restricted Stock Units, Granted in Period (in shares) | shares	375,895
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 4.19
Restricted Stock Units, Vested in Period (in shares) | shares	0
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 0
Restricted Stock Units, Forfeited in Period (in shares) | shares	0
Restricted Stock Units, Forfeited, Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 0
Restricted Stock Units Outstanding , Balance (in shares) | shares	375,895
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) | $ / shares	$ 4.19

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(02)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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X

- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(02)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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