Leases (Future Payments Due Under Operating And Finance Leases) (Details) - USD ($)	Oct. 31, 2022	Apr. 30, 2022
Operating Leases
For the remaining 6 months of the fiscal year ending April 30:	$ 1,815,098
For the fiscal year ending April 30: 2024	3,136,737
For the fiscal year ending April 30: 2025	2,476,375
For the fiscal year ending April 30: 2026	2,017,498
For the fiscal year ending April 30: 2027	445,298
For the fiscal year ending April 30: 2028	74,382
Thereafter	133,717
Total undiscounted lease payments	10,099,105
Present value discount, less interest	354,338
Lease liability	9,744,767
Finance Leases
For the remaining 6 months of the fiscal year ending April 30:	1,132,572
For the fiscal year ending April 30: 2024	1,895,835
For the fiscal year ending April 30: 2025	1,674,988
For the fiscal year ending April 30: 2026	1,007,719
For the fiscal year ending April 30: 2027	177,773
For the fiscal year ending April 30: 2028
Thereafter
Total undiscounted lease payments	5,888,887
Present value discount, less interest	837,998
Lease liability	$ 5,050,889	$ 4,215,810