Note 12 - Growth Equity Fund (Details Textual) - A3 Ventures Fund 1, L.P [Member] - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Feb. 28, 2024	Jun. 30, 2024	Jun. 30, 2024
Variable Interest Entity, Financial or Other Support, Amount	$ 50,000		$ 50,000
Management Fee, Percent of Total Commitment	2.00%
Variable Interest Entity, Financial or Other Support, Amount Called			0
Management Fee Payable		$ 1,300	1,300
Management Fee Expense		$ 700	$ 1,300