Note 10 - Disclosure of Credit Risk of Financial Instruments with Off-balance Sheet Risk

12 Months Ended

Apr. 30, 2019

Notes to Financial Statements

Concentration Risk of Financial Instruments with Off-balance Sheet Risk [Text Block]

Note

10

- Disclosure of Credit Risk of Financial Instruments with Off-Balance Sheet Risk:

Other than EAM and the Value Line Funds as explained in Note

3

- Related Party Transactions, a single customer accounted for a significant portion of the Company's sales in fiscal

2019,

2018

or

2017,

and its accounts receivable as of

April 30, 2019

or

2018.

  During the

twelve

months ended

April 30, 2019,

2018

and

2017,

20.5%,

17.7%

and

10.3%,

respectively, of total publishing revenues were derived from a single customer as explained in Note

17

- Concentration.