Note 18 - Concentration of Credit Risk

12 Months Ended

Apr. 30, 2018

Notes to Financial Statements

Concentration of Credit Risk [Text Block]

Note

18

- Concentration of Credit Risk:

Financial instruments that potentially subject the Company to concentration of credit risk consist principally of cash deposits. Accounts at each institution are insured by the Federal Deposit Insurance Corporation (“FDIC”) up to

$250,000.

At

April 30, 2018

and

2017,

the Company had

$1,426,000

and

$749,000,

respectively, in excess of the FDIC insured limit.