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Leases (Tables)
 12 Months Ended
Apr. 30, 2022
Leases [Abstract]  
Balance Sheet Information
Balance sheet information related to operating leases is as follows (in thousands):
As of April 30, 2022
As of April 30, 2021
Assets
Right of use assets935 1,454 
Liabilities
Current lease liabilities541 739 
Long-term lease liabilities461 821 
Total liabilities$1,002 $1,560 
Weighted average information associated with the measurement of the Company’s remaining operating lease obligations is as follows:
April 30, 2022
April 30, 2021
Weighted average remaining lease term1.9 years2.4 years
Weighted average discount rate3.2 %3.3 %
Lease Cost Information
Lease cost information related to operating leases is as follows (in thousands):
Year ended April 30, 2022
Year ended April 30, 2021
Lease cost
Operating lease cost740 784 
Short-term lease cost570 567 
Variable lease cost239 270 
Total lease cost$1,549 $1,621 
Maturity of Operating Lease Liabilities The following table summarizes the maturity of the Company’s operating lease liabilities as of April 30, 2022 (in thousands):
Years ended April 30:
2023$541 
2024417 
202567 
2026— 
2027— 
Thereafter— 
Total operating lease payments
$1,025 
Less imputed interest
(23)
Total operating lease liabilities
$1,002 
Future Minimum Lease Rentals Receivable under Noncancelable Operating Leases Lease payments to be received as of April 30, 2022 are as follows (in thousands):
Years ended April 30:
2023$183 
2024139 
2025144 
2026137 
2027144 
Thereafter24 
$771