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Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Feb. 08, 2023	Mar. 06, 2020	Mar. 25, 2024	Mar. 22, 2024	Jan. 01, 2024	Dec. 31, 2023	Jul. 01, 2023	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 14, 2021	Jan. 09, 2012	Jan. 06, 2012
Warrants and Rights Outstanding, Term (Year)						5 years 9 months 7 days			7 years 5 months 23 days	4 years 11 months 12 days
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)						$ 11.7			$ 15.92	$ 2.59
Line of Credit [Member] | Required Credit Agreement to Satisfy Units Redemption Obligation [Member]
Debt Instrument, Term (Year)	12 months
Line of Credit Facility, Maximum Borrowing Capacity	$ 111,000
PUPA Fifth Amendment [Member]
Preferred Units Issued Value	$ 111,000
AAFK [Member] | Warrants in Connection With Subordinated Notes [Member]
Warrants and Rights Outstanding, Term (Year)							2 years	2 years				2 years
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)							$ 0.01	$ 0.01				$ 0.01
Subsequent Event [Member] | AAFK [Member] | Warrants in Connection With Subordinated Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)					113
Warrants and Rights Outstanding, Term (Year)					2 years
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 0.01
Subordinated Notes [Member] | AAFK [Member]
Debt Instrument, Fee Amount												$ 2,500	$ 900
Subordinated Notes [Member] | Subsequent Event [Member]
Equity Financing					$ 25,000
Subordinated Notes 1 [Member] | AAFK [Member]
Debt Instrument, Cash Extension Fee							$ 90	$ 90
Subordinated Notes 1 [Member] | Subsequent Event [Member] | AAFK [Member]
Debt Instrument, Cash Extension Fee					90
Subordinated Notes 2 [Member] | AAFK [Member]
Debt Instrument, Cash Extension Fee							$ 250	$ 250
Subordinated Notes 2 [Member] | Subsequent Event [Member] | AAFK [Member]
Debt Instrument, Cash Extension Fee					$ 250
Reserve Liquidity Facility [Member] | Third Eye Capital [Member]
Debt Instrument, Term (Year)		1 year
Line of Credit Facility, Maximum Borrowing Capacity											$ 70,000
Reserve Liquidity Facility [Member] | Subsequent Event [Member] | Third Eye Capital [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 85,000	$ 85,000
Debt Instrument, Fee Amount			500
Amendment No 28 [Member] | Subsequent Event [Member] | Third Eye Capital [Member]
Debt Instrument, Fee Amount			$ 100

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+ References

No definition available.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
-SubTopic 10
-Section S99
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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