Note 15 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	Jan. 27, 2022	Jan. 19, 2022	Jan. 14, 2022	Dec. 20, 2021	Nov. 08, 2021	Sep. 29, 2021	Mar. 31, 2022
Purchase of Preferred Equity, Purchase Amount						$ 50,000
Purchase of Preferred Equity, Purchase Amount, Option						25,000	$ 18,600
Purchase of Preferred Equity, Amount Funded	$ 18,500	$ 200	$ 900	$ 3,800	$ 30,000	$ 3,000
Preferred Units, Distribution Rate						10.00%
Preferred Units [Member]
Other Commitment, Total							$ 0