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Leases, Commitments and Contingencies (Tables)
 12 Months Ended
Apr. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Operating Lease Maturity Future minimum payments under the non-cancelable lease arrangements for the fiscal years ending April 30 are as follows:
($ in thousands)OperatingFinancing
2022$2,018 $32 
20231,833 32 
20241,475 32 
20251,431 32 
20261,220 13 
Thereafter2,864 — 
Total Minimum Lease Payments10,841 141 
Imputed Interest(1,633)(28)
Total$9,208 $113 
Schedule of Finance Lease Maturity Future minimum payments under the non-cancelable lease arrangements for the fiscal years ending April 30 are as follows:
($ in thousands)OperatingFinancing
2022$2,018 $32 
20231,833 32 
20241,475 32 
20251,431 32 
20261,220 13 
Thereafter2,864 — 
Total Minimum Lease Payments10,841 141 
Imputed Interest(1,633)(28)
Total$9,208 $113