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Note 4 - Investments - Assets and Liabilities (Details) - EAM Trust [Member] - USD ($)
$ in Thousands
Apr. 30, 2019
Apr. 30, 2018
EAM's total assets $ 60,683 $ 60,203
EAM's total liabilities (1) [1] (3,547) (3,128)
EAM's total equity $ 57,136 $ 57,075
[1] At April 30, 2019 and 2018, EAM's total liabilities included a payable to VLI for its accrued non-voting revenues and non-voting profits interests of $2,420,000 and $2,113,000, respectively.