Note 15 - Restricted Cash and Deposits

12 Months Ended

Apr. 30, 2019

Notes to Financial Statements

Restricted Assets Disclosure [Text Block]

Note

15

- Restricted Cash and Deposits:

Restricted Money Market Investment in the noncurrent assets on the Consolidated Balance Sheets at

April 30, 2019

and

April 30, 2018,

includes

$469,000

,

which represents cash invested in a bank money market fund securing a letter of credit ("LOC") in the amount of

$469,000

issued to the sublandlord as a security deposit for the Company's new leased corporate office facility.