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Note 2 - Investments - Assets and Liabilities (Details) - EAM Trust [Member] - USD ($) $ in Thousands | Oct. 31, 2018 | Apr. 30, 2018
--- | --- | ---
EAM's total assets |  | $ 60,284 | $ 60,203
EAM's total liabilities (1) | [1] | (3,303) | (3,128)
EAM's total equity |  | $ 56,981 | $ 57,075
[1] | At October 31, 2018 and April 30, 2018, EAM's total liabilities included a payable to VLI for its accrued non-voting revenues interest and non-voting profits interest of $2,317,000 and $2,113,000, respectively.

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