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Leases, Commitments and Contingencies - Schedule of Operating and Finance Lease Maturity (Details) $ in Thousands	Apr. 30, 2021 USD ($)
Operating
2022	$ 2,018
2023	1,833
2024	1,475
2025	1,431
2026	1,220
Thereafter	2,864
Total Minimum Lease Payments	10,841
Imputed Interest	(1,633)
Total	9,208
Financing
2022	32
2023	32
2024	32
2025	32
2026	13
Thereafter	0
Total Minimum Lease Payments	141
Imputed Interest	(28)
Total	$ 113

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