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Note 4 - Investments - Schedule of Assets and Liabilities (Details) - EAM Trust [Member] - USD ($)
$ in Thousands
Apr. 30, 2017
Apr. 30, 2016
EAM's total assets $ 60,432 $ 60,292
EAM's total liabilities (1) [1] (2,931) (3,021)
EAM's total equity $ 57,501 $ 57,271
[1] At April 30, 2017 and 2016, EAM's total liabilities included a payable to VLI for its accrued non-voting revenues and non-voting profits interests of $1,919,000 and $1,750,000, respectively.