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Note 5 - Variable Interest Entity - Total Assets, the Maximum Exposure to Loss, and Value of the Assets and Liabilities in EAM (Details) - USD ($)
$ in Thousands
Apr. 30, 2023
Apr. 30, 2022
Assets $ 131,076 $ 128,743
Liabilities 47,403 49,098
EAM Trust [Member]    
Assets 61,389 63,592
Liabilities [1] 4,357 6,282
EAM Trust [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]    
Assets [2] 58,775 59,971
Liabilities 0 0
Value Line Maximum Exposure to Loss $ 58,775 $ 59,971
[1] At April 30, 2023 and 2022, EAM's total liabilities included a payable to VLI for its accrued non-voting revenues and non-voting profits interests of $2,601,000 and $3,657,000, respectively.
[2] Reported within Long-Term Assets on Consolidated Balance Sheets.