Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Cash Flows from Operating Activities:
Net income (loss)		$ 229	$ 1,053
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and accretion		(72)	(65)
Net realized (gains) losses on securities		(373)	101
Unrealized (gains) losses on securities		159	181
Provision for deferred taxes		46	(45)
Reserve for uncertain tax positions		37	50
Share-based compensation expense		11	0
Allowance for credit losses	[1]	(58)	(55)
Changes in operating assets and liabilities:
Accounts and other receivables		(37)	213
Prepaid expenses and other assets		(183)	267
Accounts payable and other accrued liabilities		(142)	(790)
Total adjustments		(612)	(143)
Net cash provided by (used in) operating activities		(383)	910
Cash Flows from Investing Activities:
Purchase of property and equipment		(7)	(111)
Proceeds from principal paydowns of available-for-sale debt securities at fair value		750	1,500
Net cash provided by (used in) investing activities		738	2,955
Cash Flows from Financing Activities:
Principal payments on financing lease		(16)	(15)
Issuance of common stock		36	34
Repurchases of common stock		(1,121)	(1,171)
Dividends paid		(613)	(648)
Net cash provided by (used in) financing activities		(1,714)	(1,800)
Net increase (decrease) in cash, cash equivalents, and restricted cash		(1,359)	2,065
Beginning cash, cash equivalents, and restricted cash		28,399	26,401
Ending cash, cash equivalents, and restricted cash		27,040	28,466
Supplemental Disclosures of Non-Cash Investing and Financing Activities
Dividends declared but not paid		304	322
Excise tax liability accrued on stock repurchases		10	12
Unsettled sales of non-current trading securities		0	181
Unsettled class A common stock repurchases		0	40
Supplemental Disclosures of Cash Flow Information
Cash paid for income taxes		128	0
Cash paid for interest		1	0
Trading Securities, Current [Member]
Cash Flows from Investing Activities:
Purchase of trading securities at fair value		0	(215)
Proceeds on sale of trading securities at fair value		0	1,600
Trading Securities, Non-current [Member]
Cash Flows from Investing Activities:
Purchase of trading securities at fair value		(5)	0
Proceeds on sale of trading securities at fair value		$ 0	$ 181

[1] Represents the change in present value attributable to the passage of time included in interest income.