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Note 4 - Investments (Tables) | 12 Months Ended
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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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