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Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Jan. 01, 2023	Aug. 08, 2022	Jul. 01, 2022	Jan. 01, 2022	Mar. 06, 2023	Dec. 31, 2022	Mar. 08, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 06, 2020	Jan. 09, 2012	Jan. 06, 2012
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)						$ 15.92		$ 2.59	$ 2.59
Preferred Units Series A Redeemable By December 31, 2022 [Member] | ABGL [Member]
Preferred Units Issued Value		$ 116,000
AAFK [Member] | Warrants in Connection With Subordinated Notes [Member]
Class of Warrant or Right, Issued (in shares)			113	113
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.01	$ 0.01							$ 0.01
Subsequent Event [Member] | Preferred Units Series A Redeemable By December 31, 2022 [Member] | ABGL [Member]
Preferred Units Issued Value	$ 125,000
Subsequent Event [Member] | AAFK [Member] | Warrants in Connection With Subordinated Notes [Member]
Class of Warrant or Right, Issued (in shares)	113
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
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
Subordinated Notes 2 [Member] | Subsequent Event [Member] | AAFK [Member]
Debt Instrument, Cash Extension Fee	$ 250
Amendment No. 22 [Member] | Third Eye Capital [Member]
Debt Instrument, Fee Amount							$ 100
Amendment No. 22 [Member] | Subsequent Event [Member] | Third Eye Capital [Member]
Long-Term Line of Credit, Total					$ 50,000
Debt Instrument, Fee Amount					$ 500
Reserve Liquidity Facility Paid Monthly in Arrears [Member] | Third Eye Capital [Member]
Debt Instrument, Interest Rate, Stated Percentage										30.00%
Reserve Liquidity Facility Paid Monthly in Arrears [Member] | Subsequent Event [Member] | Third Eye Capital [Member]
Debt Instrument, Interest Rate, Stated Percentage					30.00%
Reserve Liquidity Facility if Event of Default Occurred and Continues [Member] | Third Eye Capital [Member]
Debt Instrument, Interest Rate, Stated Percentage										40.00%
Reserve Liquidity Facility if Event of Default Occurred and Continues [Member] | Subsequent Event [Member] | Third Eye Capital [Member]
Debt Instrument, Interest Rate, Stated Percentage					40.00%
Amendment No. 25 [Member] | Subsequent Event [Member] | Third Eye Capital [Member]
Debt Instrument, Fee Amount					$ 100

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-Topic 505
-SubTopic 10
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