XML 43 R40.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Note 2 - Investments - Components of EAM's Investment Management Operations (Details) - USD ($)
 3 Months Ended 6 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2019
Oct. 31, 2018
Revenues $ 10,080,000 $ 9,051,000 $ 19,697,000 $ 18,022,000
Value Line’s non-voting revenues interest 2,768,000 2,095,000 5,356,000 4,063,000
EAM's net income (1) 4,211,000 3,302,000 7,901,000 6,406,000
EAM Trust [Member]        
Other income 5,000 (27,000) 58,000 44,000
Investment management fee waivers and reimbursements 109,000 110,000 218,000 221,000
12b-1 fee waivers 166,000 175,000 339,000 334,000
Value Line’s non-voting revenues interest 2,768,000 2,095,000 5,356,000 4,063,000
EAM's net income (1) [1] 580,000 578,000 1,146,000 1,184,000
EAM Trust [Member] | Investment Advice [Member]        
Revenues 5,463,000 4,181,000 10,610,000 8,290,000
EAM Trust [Member] | Distribution and Shareholder Service [Member]        
Revenues $ 2,086,000 $ 1,727,000 $ 4,065,000 $ 3,431,000
[1] Represents EAM's net income, after giving effect to Value Line's non-voting revenues interest, but before distributions to voting profits interest holders and to the Company in respect of its 50% non-voting profits interest.