Intangible Assets (Tables)

12 Months Ended

Apr. 30, 2020

Intangible Assets [Abstract]

Summary Of Intangible Assets Subject To Amortization

	April 30, 2020				April 30, 2019
	Gross				Gross
	Carrying		Accumulated		Carrying		Accumulated
	Amount		Amortization		Amount		Amortization
Spitfire:
Non-contractual customer relationship		4,690,000		2,339,051		4,690,000		1,977,255
Non-compete agreements		50,000		50,000		50,000		49,385
Total	$	4,740,000	$	2,389,051	$	4,740,000	$	2,026,640

Estimated Aggregate Amortization Expense

For the fiscal years ending April 30:
	2021	$	354,203
	2022		346,582
	2023		339,128
	2024		331,842
	2025		324,702
	Thereafter		654,492
		$	2,350,949