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Note 13 - Restricted Cash and Deposits
3 Months Ended
Jul. 31, 2020
Notes to Financial Statements  
Restricted Assets Disclosure [Text Block]
Note
13
- Restricted Cash and Deposits:
 
Restricted Money Market Investment in the noncurrent assets on the Consolidated Condensed Balance Sheet at
July 31, 2020,
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 York City leased corporate office facility. Effective
October 3, 2021,
the LOC and restricted cash will be reduced to
$305,000
according to the lease agreement.