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Note 2 - Investments (Tables) | 3 Months Ended
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Sep. 30, 2025
Notes Tables |
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
|  | September 30, 2025 |
|  |  |  |  |  | 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 trading securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equities - Domestic |  | $ | 60 |  |  | $ | - |  |  | $ | - |  |  | $ | 60 |
Equities - International |  |  | 847 |  |  |  | - |  |  |  | - |  |  |  | 847 |
Exchange Traded Funds - Crypto & digital asset |  |  | 992 |  |  |  | - |  |  |  | - |  |  |  | 992 |
Exchange Traded Funds - Global equity |  |  | 34 |  |  |  | - |  |  |  | - |  |  |  | 34 |
Exchange Traded Funds - Option strategy & income |  |  | 166 |  |  |  | - |  |  |  | - |  |  |  | 166 |
Mutual funds - Fixed income |  |  | 9,734 |  |  |  | - |  |  |  | - |  |  |  | 9,734 |
Mutual funds - Global equity |  |  | 890 |  |  |  | - |  |  |  | - |  |  |  | 890 |
Total equity securities |  |  | 12,723 |  |  |  | - |  |  |  | - |  |  |  | 12,723 |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 51 |  |  |  | - |  |  |  | - |  |  |  | 51 |
Total investments in trading securities: |  |  | 12,774 |  |  |  | - |  |  |  | - |  |  |  | 12,774 |
Investments in available-for-sale debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities - Convertible debentures |  |  | - |  |  |  | - |  |  |  | 842 |  |  |  | 842 |
Total investments carried at fair value on a recurring basis: |  | $ | 12,774 |  |  | $ | - |  |  | $ | 842 |  |  | $ | 13,616 |
Investments carried at fair value on a nonrecurring basis: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other investments (1) |  | $ | - |  |  | $ | - |  |  | $ | 1,828 |  |  | $ | 1,828 |
|  | June 30, 2025 |
|  |  |  |  |  | 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 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 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] |
|  | Three Months Ended September 30, 2025 |
|  | Investments in |
(dollars in thousands) |  | debt securities |
Beginning Balance |  | $ | 1,576 |
Principal maturities |  |  | (750 | )
Amortization of day one premium |  |  | (11 | )
Accretion of bifurcation discount |  |  | 31 |
Total gains or losses included in: |  |  |  |
Net Investment Income (Loss) |  |  | 71 |
Other Comprehensive Income (Loss) |  |  | (75 | )
Ending Balance |  | $ | 842 |
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 | %
Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] |
|  | September 30, 2025 |
(dollars in thousands) |  | Cost |  |  | Unrealized Gains (Losses) |  |  | Fair Value |
Trading securities at fair value |  |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |
Equities - Domestic |  | $ | 87 |  |  | $ | (27 | ) |  | $ | 60 |
Equities - International |  |  | 761 |  |  |  | 86 |  |  |  | 847 |
Exchange Traded Funds - Crypto & digital asset |  |  | 899 |  |  |  | 93 |  |  |  | 992 |
Exchange Traded Funds - Global equity |  |  | 30 |  |  |  | 4 |  |  |  | 34 |
Exchange Traded Funds - Option strategy & income |  |  | 185 |  |  |  | (19 | ) |  |  | 166 |
Mutual funds - Fixed income |  |  | 9,869 |  |  |  | (135 | ) |  |  | 9,734 |
Mutual funds - Global equity |  |  | 929 |  |  |  | (39 | ) |  |  | 890 |
Total equity securities at fair value |  |  | 12,760 |  |  |  | (37 | ) |  |  | 12,723 |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  |  | 215 |  |  |  | (164 | ) |  |  | 51 |
Total trading securities at fair value |  | $ | 12,975 |  |  | $ | (201 | ) |  | $ | 12,774 |
|  | 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 |
|  | September 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 |  | $ | 3,334 |  |  | $ | 50 |  |  | $ | - |  |  | $ | (2,542 | ) |  | $ | 842 |  |  | $ | - |
|  | 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 |  |  | $ | - |
|  | September 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 |  |  | $ | (47 | ) |  | $ | 953 |  |  | $ | - |  |  | $ | - |  |  | $ | 953 |
|  | 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 |
Schedule of Derivative Instruments [Table Text Block] |
|  | Three Months Ended |
|  | September 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 |  | $ | - |  |  | $ | (5 | )
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] |
|  | Three Months Ended |
|  | September 30, |
(dollars in thousands) |  | 2025 |  |  | 2024 |
Beginning Balance |  | $ | 52 |  |  | $ | 132 |
Provision for credit losses - reversal (1) |  |  | (5 | ) |  |  | (23 | )
Ending Balance |  | $ | 47 |  |  | $ | 109 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | September 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 |  | $ | 3,334 |  |  | $ | 1,000 |
Fair Value |  | $ | 842 |  |  | $ | 953 |
Equity Securities without Readily Determinable Fair Value [Table Text Block] |
|  | Three Months Ended |
|  | September 30, |
(dollars in thousands) |  | 2025 |  |  | 2024 |
Other Investments |  |  |  |  |  |  |  |
Carrying value |  | $ | 2,677 |  |  | $ | 1,687 |
Upward carrying value changes |  | $ | 1,328 |  |  | $ | - |
Downward carrying value changes/impairment |  | $ | - |  |  | $ | - |
Investment Income [Table Text Block] |
|  | Three Months Ended |
(dollars in thousands) |  | September 30, |
Net Investment Income (Loss) |  | 2025 |  |  | 2024 |
Net realized gains (losses) on debt securities |  | $ | 71 |  |  | $ | 203 |
Net unrealized gains (losses) on equity securities |  |  | 1,913 |  |  |  | 33 |
Net unrealized gains (losses) on debt securities |  |  | (11 | ) |  |  | 40 |
Net unrealized gains (losses) on embedded derivatives |  |  | - |  |  |  | (5 | )
Net unrealized gains (losses) on cash equivalents |  |  | - |  |  |  | (1 | )
Dividend and interest income |  |  | 397 |  |  |  | 600 |
Net realized foreign currency gains (losses) |  |  | (93 | ) |  |  | 47 |
Total Net Investment Income (Loss) |  | $ | 2,277 |  |  | $ | 917 |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | Three Months Ended |
|  | September 30, |
(dollars in thousands) |  | 2025 |  |  | 2024 |
Net unrealized gains (losses) for securities held at the reporting date: |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |
Net gains (losses) recognized during the period |  | $ | 1,913 |  |  | $ | 33 |
Less: Net gains (losses) recognized during the period on securities sold during the period |  |  | - |  |  |  | - |
Net unrealized gains (losses) recognized during the reporting period on securities still held at the reporting date (1) |  | $ | 1,913 |  |  | $ | 33 |
Debt securities classified as trading: |  |  |  |  |  |  |  |
Net gains (losses) recognized during the period |  | $ | (11 | ) |  | $ | 40 |
Less: Net gains (losses) recognized during the period on securities sold during the period |  |  | - |  |  |  | - |
Net unrealized gains (losses) recognized during the reporting period on securities still held at the reporting date |  | $ | (11 | ) |  | $ | 40 |

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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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