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Note 3 - Investments (Tables) | 12 Months Ended
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Jun. 30, 2025
Notes Tables |
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
|  | June 30, 2025 |
|  |  |  |  |  | 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 trading securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equities - Domestic |  | $ | 27 |  |  | $ | - |  |  | $ | - |  |  | $ | 27 |
Equities - International |  |  | 426 |  |  |  | - |  |  |  | - |  |  |  | 426 |
Exchange Traded Funds - Crypto & digital asset |  |  | 997 |  |  |  | - |  |  |  | - |  |  |  | 997 |
Exchange Traded Funds - Global equity |  |  | 32 |  |  |  | - |  |  |  | - |  |  |  | 32 |
Exchange Traded Funds - Option strategy & income |  |  | 111 |  |  |  | - |  |  |  | - |  |  |  | 111 |
Mutual funds - Fixed income |  |  | 9,692 |  |  |  | - |  |  |  | - |  |  |  | 9,692 |
Mutual funds - Global equity |  |  | 841 |  |  |  | - |  |  |  | - |  |  |  | 841 |
Total equity securities |  |  | 12,126 |  |  |  | - |  |  |  | - |  |  |  | 12,126 |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 62 |  |  |  | - |  |  |  | - |  |  |  | 62 |
Total investments in trading securities: |  |  | 12,188 |  |  |  | - |  |  |  | - |  |  |  | 12,188 |
Investments in available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - Convertible debentures |  |  | - |  |  |  | - |  |  |  | 1,576 |  |  |  | 1,576 |
Total investments carried at fair value on a recurring basis: |  | $ | 12,188 |  |  | $ | - |  |  | $ | 1,576 |  |  | $ | 13,764 |
Investments carried at fair value on a nonrecurring basis: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other investments (1) |  | $ | - |  |  | $ | - |  |  | $ | 189 |  |  | $ | 189 |
|  | June 30, 2024 |
|  |  |  |  |  | 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 trading securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equities - Domestic |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Equities - International |  |  | 435 |  |  |  | - |  |  |  | - |  |  |  | 435 |
Exchange Traded Funds - Crypto & digital asset |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exchange Traded Funds - Global equity |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exchange Traded Funds - Option strategy & income |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Mutual funds - Fixed income |  |  | 9,644 |  |  |  | - |  |  |  | - |  |  |  | 9,644 |
Mutual funds - Global equity |  |  | 806 |  |  |  | - |  |  |  | - |  |  |  | 806 |
Total equity securities |  |  | 10,885 |  |  |  | - |  |  |  | - |  |  |  | 10,885 |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 208 |  |  |  | - |  |  |  | - |  |  |  | 208 |
Total investments in trading securities: |  |  | 11,093 |  |  |  | - |  |  |  | - |  |  |  | 11,093 |
Investments in available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - Convertible debentures |  |  | - |  |  |  | - |  |  |  | 4,414 |  |  |  | 4,414 |
Total investments carried at fair value on a recurring basis: |  | $ | 11,093 |  |  | $ | - |  |  | $ | 4,414 |  |  | $ | 15,507 |
Investments carried at fair value on a nonrecurring basis: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other investments (1) |  | $ | - |  |  | $ | - |  |  | $ | 600 |  |  | $ | 600 |
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, 2025 |
|  | Investments in |
(dollars in thousands) |  | debt securities |
Beginning Balance |  | $ | 4,414 |
Principal maturities |  |  | (3,000 | )
Amortization of day one premium |  |  | (92 | )
Accretion of bifurcation discount |  |  | 271 |
Total gains or losses included in: |  |  |  |
Net Investment Income (Loss) |  |  | 598 |
Other Comprehensive Income (Loss) |  |  | (615 | )
Ending Balance |  | $ | 1,576 |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | June 30, 2025 |
(dollars in thousands) |  | Fair Value |  | Principal Valuation Techniques |  | Unobservable Inputs |
Investments in available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - convertible debentures |  | $ | 1,576 |  | Binomial lattice model |  | Volatility |  |  | 85.0 | %
|  |  |  |  |  |  | Credit Spread |  |  | 6.4 | %
|  |  |  |  |  |  | Risk-Free Rate |  |  | 2.6 | %
|  | June 30, 2024 |
(dollars in thousands) |  | Fair Value |  | Principal Valuation Techniques |  | Unobservable Inputs |
Investments in available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - convertible debentures |  | $ | 4,414 |  | Binomial lattice model |  | Volatility |  |  | 95.0 | %
|  |  |  |  |  |  | Credit Spread |  |  | 8.2 | %
|  |  |  |  |  |  | Risk-Free Rate |  |  | 4.1 | %
Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] |
|  | June 30, 2025
(dollars in thousands) |  | Cost |  |  | Unrealized Gains (Losses) |  |  | Fair Value
Trading securities at fair value |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |
Equities - Domestic |  | $ | 87 |  |  | $ | (60 | ) |  | $ | 27
Equities - International |  |  | 761 |  |  |  | (335 | ) |  |  | 426
Exchange Traded Funds - Crypto & digital asset |  |  | 967 |  |  |  | 30 |  |  |  | 997
Exchange Traded Funds - Global equity |  |  | 30 |  |  |  | 2 |  |  |  | 32
Exchange Traded Funds - Option strategy & income |  |  | 105 |  |  |  | 6 |  |  |  | 111
Mutual funds - Fixed income |  |  | 9,869 |  |  |  | (177 | ) |  |  | 9,692
Mutual funds - Global equity |  |  | 929 |  |  |  | (88 | ) |  |  | 841
Total equity securities at fair value |  |  | 12,748 |  |  |  | (622 | ) |  |  | 12,126
Debt securities: |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 215 |  |  |  | (153 | ) |  |  | 62
Total trading securities at fair value |  | $ | 12,963 |  |  | $ | (775 | ) |  | $ | 12,188
|  | June 30, 2024
(dollars in thousands) |  | Cost |  |  | Unrealized Gains (Losses) |  |  | Fair Value
Trading securities at fair value |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |
Equities - Domestic |  | $ | 45 |  |  | $ | (45 | ) |  | $ | -
Equities - International |  |  | 762 |  |  |  | (327 | ) |  |  | 435
Exchange Traded Funds - Crypto & digital asset |  |  | - |  |  |  | - |  |  |  | -
Exchange Traded Funds - Global equity |  |  | - |  |  |  | - |  |  |  | -
Exchange Traded Funds - Option strategy & income |  |  | - |  |  |  | - |  |  |  | -
Mutual funds - Fixed income |  |  | 9,869 |  |  |  | (225 | ) |  |  | 9,644
Mutual funds - Global equity |  |  | 929 |  |  |  | (123 | ) |  |  | 806
Total equity securities at fair value |  |  | 11,605 |  |  |  | (720 | ) |  |  | 10,885
Debt securities: |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 215 |  |  |  | (7 | ) |  |  | 208
Total trading securities at fair value |  | $ | 11,820 |  |  | $ | (727 | ) |  | $ | 11,093
|  | June 30, 2025 |
(dollars in thousands) |  | Amortized Cost |  |  | Unrealized Gains in Other Comprehensive Income (Loss) |  |  | Unrealized Losses in Other Comprehensive Income (Loss) |  |  | Unrealized Losses in Net Investment Income (Loss) (1) |  |  | Fair Value |  |  | Allowance for Credit Losses |
Available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - Convertible debentures |  | $ | 3,993 |  |  | $ | 125 |  |  | $ | - |  |  | $ | (2,542 | ) |  | $ | 1,576 |  |  | $ | - |
|  | June 30, 2024 |
(dollars in thousands) |  | Amortized Cost |  |  | Unrealized Gains in Other Comprehensive Income (Loss) |  |  | Unrealized Losses in Other Comprehensive Income (Loss) |  |  | Unrealized Losses in Net Investment Income (Loss) (1) |  |  | Fair Value |  |  | Allowance for Credit Losses |
Available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - Convertible debentures |  | $ | 6,204 |  |  | $ | 740 |  |  | $ | - |  |  | $ | (2,530 | ) |  | $ | 4,414 |  |  | $ | - |
|  | June 30, 2025 |
(dollars in thousands) |  | Amortized Cost |  |  | Allowance for Credit Losses |  |  | Net Carrying Amount |  |  | Gross Unrecognized Holding Gains |  |  | Gross Unrecognized Holding Losses |  |  | Fair Value |
Held-to-maturity debt securities (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 1,000 |  |  | $ | (52 | ) |  | $ | 948 |  |  | $ | - |  |  | $ | - |  |  | $ | 948 |
|  | June 30, 2024 |
(dollars in thousands) |  | Amortized Cost |  |  | Allowance for Credit Losses |  |  | Net Carrying Amount |  |  | Gross Unrecognized Holding Gains |  |  | Gross Unrecognized Holding Losses |  |  | Fair Value |
Held-to-maturity debt securities (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 1,000 |  |  | $ | (132 | ) |  | $ | 868 |  |  | $ | - |  |  | $ | - |  |  | $ | 868 |
Schedule of Derivative Instruments [Table Text Block] |
|  | June 30, 2025 |  |  | June 30, 2024 |
|  | 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 |  | $ | - |  |  | $ | 12 |
|  | Year Ended June 30, |
|  | 2025 |  |  | 2024 |
|  | Other Income (Loss) |  |  | Other Income (Loss) |
(dollars in thousands) |  | Net Investment Income (Loss) |  |  | Net Investment Income (Loss) |
Embedded Derivatives: |  |  |  |  |  |  |  |
Equity price risk exposure |  | $ | (12 | ) |  | $ | (102 | )
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] |
|  | Year Ended |  |  | Year Ended |
(dollars in thousands) |  | June 30, 2025 |  |  | June 30, 2024 |
Beginning Balance |  | $ | 132 |  |  | $ | - |
Impact of ASU 2016-13 adoption |  |  | - |  |  |  | 232 |
Provision for credit losses - reversal (1) |  |  | (80 | ) |  |  | (100 | )
Ending Balance |  | $ | 52 |  |  | $ | 132 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | June 30, 2025
|  | 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 |  | $ | 3,993 |  |  | $ | 1,000
Fair Value |  | $ | 1,576 |  |  | $ | 948
Equity Securities without Readily Determinable Fair Value [Table Text Block] |
|  | Year Ended June 30, |
(dollars in thousands) |  | 2025 |  |  | 2024 |
Other Investments |  |  |  |  |  |  |  |
Carrying value |  | $ | 1,349 |  |  | $ | 1,687 |
Upward carrying value changes |  | $ | 24 |  |  | $ | - |
Downward carrying value changes/impairments |  | $ | (362 | ) |  | $ | (1,274 | )
Investment Income [Table Text Block] |
|  | Year Ended June 30, |
(dollars in thousands) |  |  | 2025 |  |  |  | 2024 |
Net Investment Income (Loss) |  |  |  |  |  |  |  |
Realized gains (losses) on equity securities |  | $ | (192 | ) |  | $ | (6,845 | )
Realized gains (losses) on debt securities |  |  | 610 |  |  |  | 1,140 |
Unrealized gains (losses) on equity securities |  |  | (89 | ) |  |  | 5,669 |
Unrealized gains (losses) on debt securities |  |  | (146 | ) |  |  | (7 | )
Unrealized gains (losses) on embedded derivatives |  |  | (12 | ) |  |  | (102 | )
Unrealized gains (losses) on cash equivalents |  |  | 10 |  |  |  | (1 | )
Dividend and interest income |  |  | 2,191 |  |  |  | 2,411 |
Realized foreign currency gains (losses) |  |  | 21 |  |  |  | (121 | )
Total Net Investment Income (Loss) |  | $ | 2,393 |  |  | $ | 2,144 |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | Year Ended June 30, |
(dollars in thousands) |  |  | 2025 |  |  |  | 2024 |
Unrealized gains and losses for securities held at the reporting date: |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |
Net gains and losses recognized during the period |  | $ | (281 | ) |  | $ | (1,176 | )
Less: Net gains and losses recognized during the period on securities sold during the period |  |  | (17 | ) |  |  | (266 | )
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date (1) |  | $ | (264 | ) |  | $ | (910 | )
Debt securities classified as trading: |  |  |  |  |  |  |  |
Net gains and losses recognized during the period |  | $ | (146 | ) |  |  | (7 | )
Less: Net gains and losses recognized during the period on securities sold during the period |  |  | - |  |  |  | - |
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date |  | $ | (146 | ) |  | $ | (7 | )

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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B + Details
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- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
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