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v3.20.2

Note 2 - Investments (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jul. 31, 2019 | Apr. 30, 2020 | Apr. 30, 2019
Available-for-sale Equity Securities, Amortized Cost Basis, Total |  | $ 15,150,000 |  | $ 12,877,000 |
Available-for-sale Securities, Equity Securities |  | 16,611,000 |  | $ 14,125,000 |
Proceeds from Sale of Available-for-sale Securities, Equity |  | 4,637,000 |  |  |
Net Income (Loss) Attributable to Parent, Total |  | 5,117,000 | 3,690,000 |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total |  | 163,000 | 109,000 |  |
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax |  | $ 247,000 | 23,000 |  |
Available-for-sale Securities, Debt Securities, Average Yield |  | 2.33% |  | 2.27% |
Equity Method Investments |  | $ 59,744,000 |  | $ 59,165,000 |
EAM Trust [Member] |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total | [1] | 728,000 | 566,000 |  |
Fair Value of Contributed Capital at Inception |  | 55,805,000 |  | 55,805,000 |
Cash and Liquid Securities in Excess of Working Capital Requirements Contributed to Capital Account |  | 5,820,000 |  | $ 5,820,000 |
Equity Method Investment, Other than Temporary Impairment |  |  |  |  | $ 0
Percentage of Non Voting Profit Interest |  |  |  | 50.00% |
Accrued Non Voting Revenues and Non Voting Profits Interests Payable |  | 3,607,000 |  | $ 2,949,000 |
Equity Securities [Member] |  |  |  |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total |  | 212,000 | 90,000 |  |
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax |  | 55,000 | 19,000 |  |
Available-for-sale Securities, Gross Realized Gain (Loss), Total |  |  | 0 |  |
AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax, Total |  | 1,461,000 |  | 1,248,000 |
AOCI Tax, Attributable to Parent |  | 380,000 |  | 324,000 |
Debt Securities [Member] |  |  |  |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total |  | (49,000) | 19,000 |  |
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax |  | (12,000) | 4,000 |  |
AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax, Total |  | 127,000 |  | 177,000 |
AOCI Tax, Attributable to Parent |  | 34,000 |  | $ 46,000 |
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale, Total |  | 3,464,000 | $ 2,973,000 |  |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Equity Securities [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total |  | $ 783,000 |  |  |
[1] | Represents EAM's net income, after giving effect to Value Line's non-voting revenues interest, but before distributions to voting profits interest holders and to the Company in respect of its 50% non-voting profits interest.

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