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Leases (Tables)
 3 Months Ended
Jul. 31, 2020
Leases [Abstract]  
Schedule of Operating Lease Costs

The operating lease straight-line expense in the Consolidated Statement of Operations for both the three months ended July 31, 2020 and 2019 was as follows:

 

    Three months ended July 31,  
    2020     2019  
    (in thousands)  
             
Operating lease cost   $ 79     $ 79  
Short-term lease cost     2       -  
Total lease cost   $ 81     $ 79  
Schedule of Right-of Use Assets and Lease Liabilities

Information related to the Company’s right-of use assets and lease liabilities as of July 31, 2020 was as follows:

 

    July 31, 2020  
    (in thousands)  
       
Operating lease:        
Operating right-of-use asset, net   $ 1,113  
         
Right-of-use liability- current     236  
Right-of-use liability- long term     1,017  
Total lease liability   $ 1,253  
         
Weighted average remaining lease term- operating leases     4.23 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:

 

    July 31, 2020  
      (in thousands)  
         
Remainder of fiscal year 2021   $ 250  
2022     341  
2023     352  
2024     362  
2025     184  
Total future minimum lease payments   $ 1,489  
Less imputed interest     (236 )
Total   $ 1,253