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

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

 

   October 31, 2021   April 30, 2021 
   (in thousands) 
Deposits  $37   $68 
Other receivables   17    21 
Prepaid insurance   130    194 
Prepaid recruiting   135    12 
Prepaid expenses- other   241    192 
Other current assets  $560   $487