XML 33 R22.htm IDEA: XBRL DOCUMENT v3.20.4
Note 14 - Concentration
9 Months Ended
Jan. 31, 2021
Notes to Financial Statements  
Concentration Risk Disclosure [Text Block]
Note
14
- Concentration:
 
During the
nine
months ended
January 31, 2021,
32.1%
of total publishing revenues of
$30,668,000
were derived from a single customer.