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Leases (Tables)
 12 Months Ended
Apr. 30, 2021
Leases [Abstract]  
Schedule of Operating Lease Costs

The components of lease expense in the Consolidated Statement of Operations for the twelve months ended April 30, 2021 and 2020 was as follows:

 

    Twelve months ended April 30,  
    2021     2020  
             
Operating lease cost   $ 330     $ 317  
Short-term lease cost     17       -  
Total lease cost   $ 347     $ 317  
Schedule of Right-of Use Assets and Lease Liabilities

Information related to the Company’s right-of use assets and lease liabilities as of April 30, 2021 is as follows:

 

    April 30, 2021  
      (in thousands)  
         
Operating lease:        
Operating right-of-use asset, net   $ 1,036  
         
Right-of-use liability- current     347  
Right-of-use liability- long term     819  
Total lease liability   $ 1,166  
         
Weighted average remaining lease term- operating leases     3.34 years  
Weighted average discount rate- operating leases     8.1 %
Schedule of Future Minimum Lease Payments Under Operating Lease

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

 

    April 30, 2021  
      (in thousands)  
         
2022     393  
2023     391  
2024     362  
2025     184  
Total future minimum lease payments   $ 1,330  
Less imputed interest     (163 )
Total   $ 1,167