Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities:
Net income	$ 1,640	$ 107	$ (846)	$ 2,390	$ 2,616	$ 5,134
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion					(198)	(333)
Net recognized loss on disposal of fixed assets					3	0
Net realized gains on securities					(1,286)	(3,542)
Unrealized losses on securities					2,504	6,996
Investment basis adjustment					(5)	0
Net loss from equity method investment	0		173		0	206
Foreign currency transaction gain					0	(10)
Provision for deferred taxes					(265)	(1,823)
Share-based compensation expense					0	733
Changes in operating assets and liabilities:
Accounts and other receivables					754	2,445
Prepaid expenses and other assets					(146)	(206)
Accounts payable and accrued expenses					(1,348)	(452)
Total adjustments					13	4,014
Net cash provided by operating activities					2,629	9,148
Cash Flows from Investing Activities:
Purchase of property and equipment					(14)	(213)
Purchase of equity securities at fair value, non-current					0	(123)
Purchase of other investments					(663)	(573)
Proceeds from sale of equity method investment					0	85
Proceeds on sale of equity securities at fair value, current					350	0
Proceeds on sale of equity securities at fair value, non-current					0	2,850
Proceeds from principal paydowns of available-for-sale debt securities at fair value					2,250	2,250
Net cash provided by investing activities					1,923	4,276
Cash Flows from Financing Activities:
Principal payments on financing lease	(7)		0		(20)	0
Issuance of common stock					43	39
Repurchases of common stock					(938)	(233)
Dividends paid					(1,004)	(901)
Net cash used in financing activities					(1,919)	(1,095)
Net increase in cash, cash equivalents, and restricted cash					2,633	12,329
Beginning cash, cash equivalents, and restricted cash		$ 23,314		$ 15,436	23,314	15,436
Ending cash, cash equivalents, and restricted cash	25,947		27,765		25,947	27,765
Supplemental Disclosures of Non-Cash Investing and Financing Activities
Dividends declared but not paid	332		338		332	338
Fair value of assets acquired					0	228
Unsettled purchases of other investments	$ 186		$ 0		186	0
Supplemental Disclosures of Cash Flow Information
Cash paid for income taxes					$ 470	$ 2,126