v3.26.1
Note 7 - Federal, State and Local Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Apr. 30, 2026
Apr. 30, 2025
Total federal tax liability $ 14,100 $ 13,195
Income Tax Jurisdiction, Domestic Federal [Member]    
Deferred gain on deconsolidation of EAM 10,669 10,669
Deferred non-cash post-employment compensation (372) (372)
Depreciation and amortization 50 78
Unrealized gain on securities held for sale 1,777 1,127
Right of Use Asset (75) (114)
Deferred charges (117) (129)
Other (596) (487)
Total federal tax liability 11,336 10,772
Unrealized gain/(loss) on securities held for sale 1,777 1,127
Income Tax Jurisdiction, Domestic State and Local [Member]    
Deferred gain on deconsolidation of EAM 2,901 2,287
Deferred non-cash post-employment compensation (101) (80)
Depreciation and amortization 14 16
Unrealized gain on securities held for sale 483 242
Other (533) (42)
Total federal tax liability 2,764 2,423
Unrealized gain/(loss) on securities held for sale $ 483 $ 242