XML 59 R44.htm IDEA: XBRL DOCUMENT v3.19.2
Note 4 - Investments (Details Textual) - USD ($)
 12 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2017
Available-for-sale Equity Securities, Amortized Cost Basis, Total $ 8,541,000 $ 8,385,000  
Available-for-sale Securities, Equity Securities 10,622,000 9,379,000  
Proceeds from Sale of Available-for-sale Securities, Equity 0 152,000 $ 53,000
Capital Gain Distribution from Available for Sale Securities 0 152,000 [1] 39,000 [1]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total $ 1,133,000 285,000 515,000
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax   $ (8,000) $ 196,000
Available-for-sale Securities, Debt Securities, Average Yield 2.09% 1.24%  
AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax, Total $ (1,133,000) $ (285,000)  
AOCI Tax, Attributable to Parent (238,000) (40,000)  
Equity Method Investments 58,625,000 58,233,000  
EAM Trust [Member]      
Equity Method Investments [2] 58,625,000 58,233,000  
Fair Value of Contributed Capital at Inception 55,805,000    
Cash and Liquid Securities in Excess of Working Capital Requirements Contributed to CapitalAccount   5,820,000  
Equity Method Investment, Other than Temporary Impairment $ 0 0  
Percentage of Non Voting Profit Interest 50.00%    
Accrued Non Voting Revenues and Non Voting Profits Interests Payable $ 2,420,000 2,113,000  
Equity Securities [Member]      
Available-for-sale Securities, Gross Realized Gain (Loss), Total 0 0  
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total 1,087,000 282,000  
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax 228,000 42,000  
Debt Securities [Member]      
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total 46,000 (2,500)  
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax $ 10,000 $ (1,200)  
[1] Capital gain distributions of $152,000 and $39,000 were reclassified from Accumulated Other Comprehensive Income in the Consolidated Balance Sheets to the Consolidated Statements of Income in fiscal 2018 and 2017, respectively.
[2] Reported within Long-Term Assets on Consolidated Balance Sheets.