Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021
Current Assets
Cash and cash equivalents	$ 23,287	$ 22,314
Restricted cash	1,000	1,000
Investments in securities at fair value, current	11,963	12,138
Accounts and other receivables	1,576	1,796
Tax receivable	96	384
Prepaid expenses	312	400
Total Current Assets	38,234	38,032
Net Property and Equipment	1,320	1,370
Other Assets
Deferred tax asset	1,373	872
Investments in equity securities at fair value, non-current	2,243	2,162
Investments in available-for-sale debt securities at fair value	9,866	10,625
Investments in held-to-maturity debt securities	1,000	1,000
Other investments	2,630	3,992	$ 3,453
Financing lease, right of use assets	86	93
Other assets, non-current	233	216
Total Other Assets	17,431	18,960
Total Assets	56,985	58,362	61,917
Current Liabilities
Accounts payable	14	73
Accrued compensation and related costs	1,925	1,864
Dividends payable	336	337
Financing lease liability, short-term	28	27
Other accrued expenses	1,137	1,831
Taxes payable	157	0
Total Current Liabilities	3,597	4,132
Long-Term Liabilities
Financing lease liability, long-term	59	66
Total Long-Term Liabilities	59	66
Total Liabilities	3,656	4,198
Commitments and Contingencies (Note 13)
Shareholders’ Equity
Additional paid-in-capital	16,440	16,438
Treasury stock, class A shares at cost; 1,014,031 shares and 978,049 shares at September 30, 2022, and June 30, 2022, respectively	(2,722)	(2,599)
Accumulated comprehensive income, net of tax	3,138	3,624
Retained earnings	36,074	36,302
Total Shareholders’ Equity	53,329	54,164	$ 56,061	$ 54,324
Total Liabilities and Shareholders’ Equity	56,985	58,362
Common Class A [Member]
Shareholders’ Equity
Common Stock	347	347
Treasury stock, class A shares at cost; 1,014,031 shares and 978,049 shares at September 30, 2022, and June 30, 2022, respectively	(2,722)
Common Class B [Member]
Shareholders’ Equity
Common Stock	0	0
Common Class C [Member]
Shareholders’ Equity
Common Stock	$ 52	$ 52