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Other Current Assets (Tables)
3 Months Ended
Jul. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Current Assets

Other current assets consisted of the following at July 31, 2021 and April 30, 2021:

 

   July 31, 2021   April 30, 2021 
   (in thousands)
Deposits  $70   $68 
Other receivables   17    21 
Prepaid insurance   97    194 
Prepaid recruiting    148    12 
Prepaid expenses- other   175    192 
 Other current assets  $507   $487