Business Segments (Tables)

3 Months Ended

Jul. 31, 2024

Segment Reporting [Abstract]

Schedule of Financial Information Relating to Industry Segments

The following is financial information relating to industry segments:

	July 31,
	2024		2023
Net revenue:
Security alarm products	$	5,185,000	$	4,241,000
Cable & wiring tools		372,000		328,000
Other products		223,000		159,000
Total net revenue	$	5,780,000	$	4,728,000
Income from operations:
Security alarm products	$	1,591,000	$	1,065,000
Cable & wiring tools		114,000		82,000
Other products		69,000		40,000
Total income from operations	$	1,774,000	$	1,187,000
Depreciation and amortization:
Security alarm products	$	58,000	$	49,000
Cable & wiring tools		30,000		30,000
Other products		24,000		24,000
Corporate general		13,000		14,000
Total depreciation and amortization	$	125,000	$	117,000
Capital expenditures:
Security alarm products	$	100,000	$	201,000
Cable & wiring tools		—		—
Other products		5,000		—
Corporate general		—		—
Total capital expenditures	$	105,000	$	201,000

	July 31, 2024		April 30, 2024
Identifiable assets:
Security alarm products	$	15,205,000	$	15,263,000
Cable & wiring tools		1,989,000		2,082,000
Other products		973,000		859,000
Corporate general		46,596,000		42,576,000
Total assets	$	64,763,000	$	60,780,000