Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Current Assets
Cash and cash equivalents	$ 24,947	$ 22,314
Restricted cash	1,000	1,000
Investments in securities at fair value, current	11,701	12,138
Accounts and other receivables	1,327	1,796
Tax receivable	99	384
Prepaid expenses	566	400
Total Current Assets	39,640	38,032
Net Property and Equipment	1,198	1,370
Other Assets
Deferred tax asset	1,659	872
Investments in equity securities at fair value, non-current	1,483	2,162
Investments in available-for-sale debt securities at fair value	7,649	10,625
Investments in held-to-maturity debt securities	1,000	1,000
Other investments	2,827	3,992
Financing lease, right of use assets	72	93
Other assets, non-current	217	216
Total Other Assets	14,907	18,960
Total Assets	55,745	58,362
Current Liabilities
Accounts payable	133	73
Accrued compensation and related costs	820	1,864
Dividends payable	332	337
Financing lease liability, short-term	28	27
Other accrued expenses	1,369	1,831
Taxes payable	96	0
Total Current Liabilities	2,778	4,132
Long-Term Liabilities
Deferred tax liability	2	0
Financing lease liability, long-term	45	66
Total Long-Term Liabilities	47	66
Total Liabilities	2,825	4,198
Commitments and Contingencies (Note 12)
Shareholders’ Equity
Additional paid-in-capital	16,442	16,438
Treasury stock, class A shares at cost; 1,284,094 shares and 978,049 shares at March 31, 2023, and June 30, 2022, respectively	(3,499)	(2,599)
Accumulated other comprehensive income, net of tax	1,659	3,624
Retained earnings	37,919	36,302
Total Shareholders’ Equity	52,920	54,164
Total Liabilities and Shareholders’ Equity	55,745	58,362
Common Class A [Member]
Shareholders’ Equity
Common Stock	347	347
Common Class B [Member]
Shareholders’ Equity
Common Stock	0	0
Common Class C [Member]
Shareholders’ Equity
Common Stock	$ 52	$ 52