Note 7 - Other Accrued Expenses - Other Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Professional fees	$ 538	$ 697
Vendors payable	359	157
ETF operating and distribution expenses	548	344
Other taxes payable	73	76
Other	111	0
Other accrued expenses	$ 1,629	$ 1,274