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v3.6.0.2

Note 2 - Investments (Details Textual) - USD ($) | 9 Months Ended |
--- | --- | ---
Jan. 31, 2017 | Jan. 31, 2016 | Apr. 30, 2016
Available-for-sale Securities, Amortized Cost Basis | $ 8,385,000 |  |  | $ 3,445,000
Available-for-sale Securities, Equity Securities | 8,816,000 |  |  | 3,637,000
Proceeds from Sale of Available-for-sale Securities, Equity | 14,000 |  | $ 8,789,000 |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent | 232,000 |  | (237,000) |
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | 431,000 |  |  | 192,000
AOCI Tax, Attributable to Parent | 152,000 |  |  | 67,000
AOCI Tax, Attributable to Parent | 152,000 |  |  | 67,000
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | $ 431,000 |  |  | 192,000
Available-for-sale Securities, Debt Securities, Average Yield | 0.69% |  |  |
Equity Method Investments | $ 58,197,000 |  |  | 57,942,000
Percentage of Non Voting Profits Interests Due from Ex Subsidiary Payable to Parent under Agreement | 90.00% |  |  |
Accrued Non Voting Revenues and Non Voting Profits Interests Payable | $ 1,921,000 |  |  |
Available-for-sale Securities, Debt Securities | 6,129,000 |  |  | 0
EAM Trust [Member] |  |  |  |
Equity Method Investments | 58,197,000 | [1] |  | 57,942,000
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 CapitalAccount | $ 5,820,000 |  |  | 5,820,000
Percentage of Non Voting Profit Interest | 50.00% |  |  |
Percentage of Non Voting Profits Interests Due from Ex Subsidiary Payable to Parent under Agreement | 90.00% |  |  |
Accrued Non Voting Revenues and Non Voting Profits Interests Payable | $ 1,921,000 |  |  | $ 1,750,000
AOCI Attributable to Parent [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | 6,000 |  |  |
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | 6,000 |  |  |
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] |  |  |  |
AOCI Tax, Attributable to Parent | 2,000 |  |  |
AOCI Tax, Attributable to Parent | 2,000 |  |  |
Equity Securities [Member] |  |  |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent | 238,000 |  | (237,000) |
Deferred Taxes on Unrealized Gains on Securities | $ 84,000 |  | 84,000 |
Loss From Sale of Equity Securities Reclassified into Consolidated Condensed Statement of Income [Member] |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax |  |  | $ (15,000) |
[1] | Reported within Long Term Assets on the Consolidated Condensed Balance Sheets.

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