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Leases (Tables)
 9 Months Ended
Jan. 31, 2023
Leases [Abstract]  
Schedule of Operating Lease Costs

The components of lease expense in the Consolidated Statement of Operations for the three and nine months ended January 31, 2023 and 2022 were as follows:

 

                 
   Three months ended
January 31,		   Nine months ended
January 31,		 
   2023   2022   2023   2022 
   (in thousands)   (in thousands) 
Operating lease cost  $92   $92   $276   $276 
Short-term lease cost   8    12    24    22 
Total lease cost  $100   $104   $300   $298 
Schedule of Right-of use Assets and Lease Liabilities

Information related to the Company’s right-of use assets and lease liabilities as of January 31, 2023 was as follows:

 

   January 31,
2023		 
    (in thousands)  
      
Operating lease:     
Operating right-of-use asset, net  $522 
      
Right-of-use liability- current  $320 
Right-of-use liability- long term   282 
Total lease liability  $602 
      
Weighted average remaining lease term- operating leases   1.69 years 
Weighted average discount rate- operating leases   8.5%
Schedule of Future Minimum Lease payments Under Operating Lease

Total remaining lease payments under the Company’s operating leases are as follows:

 

   January 31,
2023		 
    (in thousands)  
      
Remainder of fiscal year 2023  $106 
2024   398 
2025   184 
Total future minimum lease payments  $688 
Less imputed interest   (86)
Total  $602