CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities:
Net income (loss)	$ 31,961	$ (4,802)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	196	202
Net recognized loss on disposal of fixed assets	7	0
Net recognized gain on securities	(16,566)	0
Amortization of premium on debt securities	178	0
Accretion of discount on debt securities	(1,180)	0
Unrealized (gains) losses on securities	(9,909)	2,296
Investment basis adjustment	27	(49)
Gain on disposal of Galileo	0	(151)
Net (income) loss from equity method investment	(347)	142
Net loss from discontinued operations, net of tax	0	338
Foreign currency transaction loss	0	228
Provision for deferred taxes	1,055	(139)
Stock bonuses	19	102
Stock-based compensation expense	43	0
PPP loan forgiveness	(444)	0
Changes in operating assets and liabilities:
Accounts and other receivables	(3,685)	(665)
Prepaid expenses and other assets	(22)	(113)
Accounts payable and accrued expenses	3,433	659
Total adjustments	(27,195)	2,850
Net cash provided by (used in) operating activities	4,766	(1,952)
Cash Flows from Investing Activities:
Purchase of property and equipment	(73)	0
Purchase of equity securities at fair value, non-current	(5,988)	0
Purchase of other investments	(863)	(125)
Purchase of held-to-maturity debt securities	(1,000)	0
Purchase of available-for-sale debt securities at fair value	(9,147)	0
Proceeds from sale of Galileo	0	746
Proceeds from note receivable	0	199
Proceeds from principal paydowns of available-for-sale debt securities at fair value	1,408	0
Return of capital on other investments	0	10
Net cash provided by investing activities	8,650	2,542
Cash Flows from Financing Activities:
Proceeds from loan	0	442
Issuance of common stock	13	3
Repurchases of common stock	(314)	(113)
Dividends paid	(640)	(452)
Net cash used in financing activities	(941)	(120)
Net increase in cash, cash equivalents, and restricted cash	12,475	470
Beginning cash, cash equivalents, and restricted cash	2,961	2,491
Ending cash, cash equivalents, and restricted cash	15,436	2,961
Supplemental Disclosures of Non-Cash Investing Activities
Dividends declared but not paid	226	113
Unsettled sales of non-current investments	22	0
Supplemental Disclosures of Cash Flow Information
Cash paid for income taxes	4,696	3
Other Current Assets [Member]
Cash Flows from Investing Activities:
Proceeds on sale of securities at fair value	0	1,712
Proceeds on sale of equity securities at fair value, non-current	0	1,712
Other Noncurrent Assets [Member]
Cash Flows from Investing Activities:
Proceeds on sale of securities at fair value	24,313	0
Proceeds on sale of equity securities at fair value, non-current	$ 24,313	$ 0