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Note 4 - Investments - Components of EAM's Investment Management Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2019 | Apr. 30, 2018 | Apr. 30, 2017
Revenues |  | $ 36,257 | $ 35,868 | $ 34,574
Non-voting revenues interest in EAM |  | 8,260 | 8,040 | 7,195
EAM's net income (1) |  | 11,150 | 14,738 | 10,367
EAM Trust [Member] |  |  |  |
Other income |  | 273 | 171 | 205
Investment management fee waivers and reimbursements |  | 421 | 487 | 474
12b-1 fee waivers |  | 654 | 754 | 923
Non-voting revenues interest in EAM |  | 8,260 | 8,040 | 7,195
EAM's net income (1) | [1] | 2,098 | 1,492 | 1,038
EAM Trust [Member] | Investment Advice [Member] |  |  |  |
Revenues |  | 16,715 | 15,988 | 14,701
EAM Trust [Member] | Distribution and Shareholder Service [Member] |  |  |  |
Revenues |  | $ 6,811 | $ 6,455 | $ 5,822
[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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- Definition Represents the portion of revenue recognized on waiver of all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1. + References No definition available. + Details
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