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Note 2 - Investments (Tables) | 9 Months Ended
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Mar. 31, 2023
Notes Tables |
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
|  | March 31, 2023 |
|  |  |  |  |  | Significant |  |  | Significant |  |  |  |  |
|  | Quoted |  |  | Other |  |  | Unobservable |  |  |  |  |
|  | 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 |  | $ | 516 |  |  | $ | - |  |  | $ | 222 |  |  | $ | 738 |
Mutual funds - Fixed income |  |  | 11,701 |  |  |  | - |  |  |  | - |  |  |  | 11,701 |
Mutual funds - Global equity |  |  | 745 |  |  |  | - |  |  |  | - |  |  |  | 745 |
Total investments in equity securities: |  | $ | 12,962 |  |  | $ | - |  |  | $ | 222 |  |  | $ | 13,184 |
Investments in debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale - Convertible debentures |  |  | - |  |  |  | - |  |  |  | 7,649 |  |  |  | 7,649 |
Total investments carried at fair value on a recurring basis: |  | $ | 12,962 |  |  | $ | - |  |  | $ | 7,871 |  |  | $ | 20,833 |
Investments carried at fair value on a nonrecurring basis: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other investments (1) |  | $ | - |  |  | $ | - |  |  | $ | 1,634 |  |  | $ | 1,634 |
|  | June 30, 2022 |
|  |  |  |  |  | Significant |  |  | Significant |  |  |  |  |
|  | Quoted |  |  | Other |  |  | Unobservable |  |  |  |  |
|  | 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 investments (1) |  | $ | - |  |  | $ | - |  |  | $ | 781 |  |  | $ | 781 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] |
|  | Nine Months Ended March 31, 2023 |
|  | Investments in |  |  | Investments in |
(dollars in thousands) |  | equity securities |  |  | debt securities |
Beginning Balance |  | $ | 515 |  |  | $ | 10,625 |
Principal repayments |  |  | - |  |  |  | (2,250 | )
Amortization of day one premium |  |  | - |  |  |  | (196 | )
Accretion of bifurcation discount |  |  | - |  |  |  | 577 |
Total unrealized gains or losses included in: |  |  |  |  |  |  |  |
Investment Income (Loss) |  |  | (293 | ) |  |  | 1,381 |
Other Comprehensive Loss |  |  | - |  |  |  | (2,488 | )
Ending Balance |  | $ | 222 |  |  | $ | 7,649 |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | March 31, 2023 |
(dollars in thousands) |  | Fair Value |  | Principal Valuation Techniques |  | Unobservable Inputs |
Investments in equity securities: |  |  |  |  |  |  |  |  |  |  |
Common share purchase warrants |  | $ | 222 |  | Option pricing model |  | Volatility |  |  | 101.5 | %
Investments in debt securities: |  |  |  |  |  |  |  |  |  |  |
Available-for-sale - Convertible debentures |  | $ | 7,649 |  | Binomial lattice model |  | Volatility |  |  | 99.8 | %
|  |  |  |  |  |  | Credit Adjusted Discount Rate |  |  | 15.0 | %
Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] |
|  | March 31, 2023 |
(dollars in thousands) |  | Cost |  |  | Unrealized Gains (Losses) |  |  | Fair Value |
Equity securities at fair value |  |  |  |  |  |  |  |  |  |  |  |
Equities - International |  | $ | 6,679 |  |  | $ | (5,941 | ) |  | $ | 738 |
Equities - Domestic |  |  | 45 |  |  |  | (45 | ) |  |  | - |
Mutual funds - Fixed income |  |  | 11,948 |  |  |  | (247 | ) |  |  | 11,701 |
Mutual funds - Global equity |  |  | 929 |  |  |  | (184 | ) |  |  | 745 |
Total equity securities at fair value |  | $ | 19,601 |  |  | $ | (6,417 | ) |  | $ | 13,184 |
|  | 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 |
|  | March 31, 2023 |
(dollars in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains in Other Comprehensive Income (Loss) |  |  | Gross Unrealized Losses in Investment Income (Loss) |  |  | Fair Value |
Available-for-sale - Convertible debentures (1) |  | $ | 8,006 |  |  | $ | 2,100 |  |  | $ | (2,457 | ) |  | $ | 7,649 |
|  | June 30, 2022 |
(dollars in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains in Other Comprehensive Income (Loss) |  |  | Gross Unrealized Losses in Investment Income (Loss) |  |  | Fair Value |
Available-for-sale - Convertible debentures (1) |  | $ | 8,576 |  |  | $ | 4,588 |  |  | $ | (2,539 | ) |  | $ | 10,625 |
|  | March 31, 2023 |
(dollars in thousands) |  | Amortized Cost |  |  | Gross Unrecognized Holding Gains |  |  | Gross Unrecognized Holding Losses |  |  | Fair Value |
Held-to-maturity - Debentures (1) |  | $ | 1,000 |  |  | $ | - |  |  | $ | (245 | ) |  | $ | 755 |
|  | 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] |
|  | March 31, 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 |  | $ | 8,006 |  |  | $ | 1,000 |
Fair Value |  | $ | 7,649 |  |  | $ | 755 |
Schedule of Derivative Instruments [Table Text Block] |
|  | March 31, 2023 |  |  | June 30, 2022 |
|  | Other Assets |  |  | Other Assets |
|  | Investments in |  |  | Investments in |
|  | available-for-sale |  |  | available-for-sale |
(dollars in thousands) |  | debt securities |  |  | debt securities |
Embedded Derivatives: |  |  |  |  |  |  |  |
Equity price risk exposure |  | $ | 85 |  |  | $ | 3 |
|  | Nine Months Ended |  |  | Three Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
|  | Other Income (Loss) |  |  | Other Income (Loss) |  |  | Other Income (Loss) |  |  | Other Income (Loss) |
(dollars in thousands) |  | Investment Income (Loss) |  |  | Investment Income (Loss) |  |  | Investment Income (Loss) |  |  | Investment Income (Loss) |
Embedded Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity price risk exposure |  | $ | 82 |  |  | $ | (2,050 | ) |  | $ | 55 |  |  | $ | (1,491 | )
Equity Securities without Readily Determinable Fair Value [Table Text Block] |
|  | Nine Months Ended |  |  | Three Months Ended |
|  | March 31, |  |  | March 31, |
(dollars in thousands) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Other Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value |  | $ | 2,827 |  |  | $ | 4,208 |  |  | $ | 2,827 |  |  | $ | 4,208 |
Upward carrying value changes |  | $ | 14 |  |  | $ | 187 |  |  | $ | 9 |  |  | $ | 187 |
Downward carrying value changes/impairment |  | $ | (1,841 | ) |  | $ | - |  |  | $ | - |  |  | $ | - |
Investment Income [Table Text Block] |
|  | Nine Months Ended |  |  | Three Months Ended |
(dollars in thousands) |  | March 31, |  |  | March 31, |
Investment income (loss) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Realized gains (losses) on equity securities |  | $ | (13 | ) |  |  | 1,848 |  |  | $ | (13 | ) |  | $ | (5 | )
Realized gains on debt securities |  |  | 1,299 |  |  |  | 1,694 |  |  |  | 394 |  |  |  | 524 |
Unrealized gains (losses) on equity securities |  |  | (2,586 | ) |  |  | (4,946 | ) |  |  | 283 |  |  |  | (3,044 | )
Unrealized gains (losses) on embedded derivatives |  |  | 82 |  |  |  | (2,050 | ) |  |  | 55 |  |  |  | (1,491 | )
Dividend and interest income |  |  | 1,321 |  |  |  | 1,545 |  |  |  | 421 |  |  |  | 441 |
Realized foreign currency gains (losses) |  |  | (292 | ) |  |  | (41 | ) |  |  | 15 |  |  |  | 80 |
Total Investment Income (Loss) |  | $ | (189 | ) |  | $ | (1,950 | ) |  | $ | 1,155 |  |  | $ | (3,495 | )
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | Nine Months Ended |  |  | Three Months Ended |
|  | March 31, |  |  | March 31, |
(dollars in thousands) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Net gains and losses recognized during the period on equity securities |  | $ | (2,599 | ) |  | $ | (3,098 | ) |  | $ | 270 |  |  | $ | (3,049 | )
Less: Net gains and losses recognized during the period on equity securities sold during the period |  |  | (13 | ) |  |  | 179 |  |  |  | (13 | ) |  |  | (5 | )
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date (1) |  | $ | (2,586 | ) |  | $ | (3,277 | ) |  | $ | 283 |  |  | $ | (3,044 | )

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