Inventories

9 Months Ended

Jan. 31, 2022

Inventory Disclosure [Abstract]

Inventories

Note 3: Inventories

Inventories at January 31, 2022 and April 30, 2021 consisted of the following:

	January 31,			April 30,
	2022			2021
Raw materials	$	5,656,000		$	4,399,000
Work in process		692,000			457,000
Finished goods		914,000			768,000
Inventory in transit		—			173,000
		7,262,000			5,797,000
Less: allowance for obsolete inventory		(404,000	)		(175,000	)
Inventories, net	$	6,858,000		$	5,622,000