CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows from Operating Activities:
Net income (loss)	$ 27,212	$ (6,300)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	147	152
Net recognized loss on disposal of fixed assets	7	0
Net recognized gain on securities	(15,506)	0
Amortization of premium on debt securities	83	0
Accretion of discount on debt securities	(552)	0
Unrealized (gains) losses on securities	(13,676)	3,995
Investment basis adjustment	27	(49)
Gain on disposal of Galileo	0	(151)
Net (income) loss from equity method investment	(420)	146
Net loss from discontinued operations, net of tax	0	338
Foreign currency transaction loss	0	228
Provision for deferred taxes	2,753	(139)
Stock bonuses	18	3
PPP loan forgiveness	(444)	0
Changes in operating assets and liabilities:
Accounts receivable and other receivables	(1,671)	108
Prepaid expenses and other assets	(117)	(148)
Accounts payable and accrued expenses	4,079	456
Total adjustments	(25,272)	4,939
Net cash provided by (used in) operating activities	1,940	(1,361)
Cash Flows from Investing Activities:
Purchase of property and equipment	(36)	0
Purchase of other investments	(665)	(75)
Purchase of held-to-maturity investments	(1,000)	0
Purchase of available-for-sale investments	(9,147)	0
Proceeds from sale of Galileo	0	746
Proceeds on sale of current investments	0	1,712
Proceeds on sale of non-current investments	22,355	0
Proceeds from maturity of corporate bonds	658	0
Return of capital on investments	0	10
Net cash provided by investing activities	6,177	2,393
Cash Flows from Financing Activities:
Issuance of common stock	4	2
Repurchases of common stock	(189)	(74)
Dividends paid	(414)	(340)
Net cash used in financing activities	(599)	(412)
Net increase in cash, cash equivalents, and restricted cash	7,518	620
Beginning cash, cash equivalents, and restricted cash	2,961	2,491
Ending cash, cash equivalents, and restricted cash	10,479	3,111
Supplemental Disclosures of Cash Flow Information
Cash paid for income taxes	1,902	0
Other Noncurrent Assets [Member]
Cash Flows from Investing Activities:
Purchase of investments in securities at fair value, non-current	$ (5,988)	$ 0