Note 13 - Other Receivables, Other Assets, Accounts Payable and Other Liabilities - Other Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Asset management fees receivable	$ 2,107	$ 1,085
New issue fee receivable	1,878	1,181
Accrued interest and dividend receivable	1,607	1,689
Revenue share receivable	543	321
Agency repo income receivable	367	391
Miscellaneous other receivables	282	706
Other receivables	$ 6,784	$ 5,373