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Note 4 - Investments (Tables)

12 Months Ended

Jun. 30, 2023

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

		June 30, 2023
						Significant				Significant
						Other				Unobservable
		Quoted Prices				Inputs				Inputs
(dollars in thousands)		(Level 1)				(Level 2)				(Level 3)				Total
Investments carried at fair value on a recurring basis:
Investments in equity securities:
Equities - International		$	488			$	-			$	290			$	778
Mutual funds - Fixed income			11,642				-				-				11,642
Mutual funds - Global equity			785				-				-				785
Total investments in equity securities:		$	12,915			$	-			$	290			$	13,205
Investments in debt securities:
Available-for-sale - Convertible debentures			-				-				7,008				7,008
Total investments carried at fair value on a recurring basis:		$	12,915			$	-			$	7,298			$	20,213
Investments carried at fair value on a nonrecurring basis:
Other investments1		$	-			$	-			$	1,786			$	1,786

		June 30, 2022
						Significant				Significant
						Other				Unobservable
		Quoted Prices				Inputs				Inputs
(dollars in thousands)		(Level 1)				(Level 2)				(Level 3)				Total
Investments carried at fair value on a recurring basis:
Investments in equity securities:
Equities - International		$	1,024			$	-			$	515			$	1,539
Mutual funds - Fixed income			12,138				-				-				12,138
Mutual funds - Global equity			623				-				-				623
Total investments in equity securities:		$	13,785			$	-			$	515			$	14,300
Investments in debt securities:
Available-for-sale - Convertible debentures			-				-				10,625				10,625
Total investments carried at fair value on a recurring basis:		$	13,785			$	-			$	11,140			$	24,925
Investments carried at fair value on a nonrecurring basis:
Other investments1		$	-			$	-			$	781			$	781

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis
		Year Ended June 30, 2023
		Investments in				Investments in
(dollars in thousands)		equity securities				debt securities
Beginning Balance		$	515			$	10,625
Principal repayments			-				(3,000	)
Amortization of day one premium			-				(251	)
Accretion of bifurcation discount			-				740
Total unrealized gains (losses) included in:
Net Investment Income (Loss)			(225	)			1,775
Other Comprehensive Loss			-				(2,881	)
Ending Balance		$	290			$	7,008

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

		June 30, 2023
(dollars in thousands)		Fair Value			Principal Valuation Techniques		Unobservable Inputs
Investments in equity securities:
Common share purchase warrants		$	290		Option pricing model		Volatility			100.0	%
							Risk-Free Rate			5.0	%
Investments in debt securities:
Available-for-sale - Convertible debentures		$	7,008		Binomial lattice model		Volatility			100.0	%
							Credit Spread			11.5	%
							Risk-Free Rate			4.2	%

Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]

		June 30, 2023
(dollars in thousands)		Cost				Unrealized Gains (Losses)				Fair Value
Equity securities at fair value
Equities - International		$	6,679			$	(5,901	)		$	778
Equities - Domestic			45				(45	)			-
Mutual funds - Fixed income			11,947				(305	)			11,642
Mutual funds - Global equity			930				(145	)			785
Total equity securities at fair value		$	19,601			$	(6,396	)		$	13,205

		June 30, 2022
(dollars in thousands)		Cost				Unrealized Gains (Losses)				Fair Value
Equity securities at fair value
Equities - International		$	6,680			$	(5,141	)		$	1,539
Equities - Domestic			45				(45	)			-
Mutual funds - Fixed income			12,313				(175	)			12,138
Mutual funds - Global equity			929				(306	)			623
Total equity securities at fair value		$	19,967			$	(5,667	)		$	14,300

		June 30, 2023
(dollars in thousands)		Amortized Cost				Gross Unrealized Gains in Other Comprehensive Income (Loss)				Gross Unrealized Losses in Net Investment Income (Loss)				Fair Value
Available-for-sale - Convertible debentures 1		$	7,729			$	1,707			$	(2,428	)		$	7,008

		June 30, 2022
(dollars in thousands)		Amortized Cost				Gross Unrealized Gains in Other Comprehensive Income (Loss)				Gross Unrealized Losses in Net Investment Income (Loss)				Fair Value
Available-for-sale - Convertible debentures 1		$	8,576			$	4,588			$	(2,539	)		$	10,625

		June 30, 2023
(dollars in thousands)		Amortized Cost				Gross Unrecognized Holding Gains				Gross Unrecognized Holding Losses				Fair Value
Held-to-maturity - Debentures 1		$	1,000			$	-			$	(232	)		$	768

		June 30, 2022
(dollars in thousands)		Amortized Cost				Gross Unrecognized Holding Gains				Gross Unrecognized Holding Losses				Fair Value
Held-to-maturity - Debentures 1		$	1,000			$	-			$	(133	)		$	867

Investments Classified by Contractual Maturity Date [Table Text Block]

		June 30, 2023
		Available-for-sale				Held-to-maturity
		debt securities				debt securities
		Convertible				Due after one year
(dollars in thousands)		debentures 1				through five years
Amortized Cost		$	7,729			$	1,000
Fair Value		$	7,008			$	768

Schedule of Derivative Instruments [Table Text Block]

		June 30, 2023				June 30, 2022
		Other Assets				Other Assets
(dollars in thousands)		Investments in available-for-sale debt securities				Investments in available-for-sale debt securities
Embedded Derivatives:
Equity price risk exposure		$	114			$	3

		Year Ended June 30,
		2023				2022
		Other Income (Loss)				Other Income (Loss)
(dollars in thousands)		Net Investment Income (Loss)				Net Investment Income (Loss)
Embedded Derivatives:
Equity price risk exposure		$	111			$	(2,539	)

Equity Securities without Readily Determinable Fair Value [Table Text Block]

		Year Ended June 30,
(dollars in thousands)		2023				2022
Other Investments
Carrying value		$	2,388			$	3,992
Upward carrying value changes		$	14			$	187
Downward carrying value changes/impairments		$	(2,280	)		$	(13	)

Investment Income [Table Text Block]

		Year Ended June 30,
(dollars in thousands)			2023				2022
Net Investment Income (Loss)
Realized gains (losses) on equity securities		$	(453	)		$	1,848
Realized gains on debt securities			1,664				2,191
Unrealized losses on equity securities			(2,563	)			(9,375	)
Unrealized gains (losses) on embedded derivatives			111				(2,539	)
Unrealized losses on cash equivalents			(5	)			-
Dividend and interest income			1,798				1,949
Foreign currency losses, net			(236	)			(248	)
Total Net Investment Income (Loss)		$	316			$	(6,174	)

Unrealized Gain (Loss) on Investments [Table Text Block]

		Year Ended June 30,
(dollars in thousands)			2023				2022
Net gains and losses recognized during the period on equity securities		$	(3,016	)		$	(7,527	)
Less: Net gains and losses recognized during the period on equity securities sold during the period			(13	)			178
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date 1		$	(3,003	)		$	(7,705	)

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