Note 12 - Segment Reporting (Tables)

6 Months Ended

Jul. 31, 2025

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended July 31,
	2025							2024
	Seamap Marine Products		Corporate Expenses			Consolidated		Seamap Marine Products		Corporate Expenses			Consolidated
Revenues	$	13,561	$	—		$	13,561	$	10,036	$	—		$	10,036
Cost of sales		6,732		—			6,732		5,258		—			5,258
Selling, general and administrative		1,629		2,008			3,637		1,599		1,185			2,784
Research and development		206		105			311		268		60			328
Depreciation and amortization expense		213		4			217		232		4			236
Operating income (loss)		4,781		(2,117	)		2,664		2,679		(1,249	)		1,430
Capital expenditures		181		1			182		80		—			80

	Six Months Ended July 31,
	2025							2024
	Seamap Marine Products		Corporate Expenses			Consolidated		Seamap Marine Products		Corporate Expenses			Consolidated
Revenues	$	21,463	$	—		$	21,463	$	19,714	$	—		$	19,714
Cost of sales		11,303		—			11,303		10,718		—			10,718
Selling, general and administrative		3,306		3,715			7,021		3,095		2,448			5,543
Research and development		508		183			691		650		140			790
Depreciation and amortization expense		433		9			442		494		9			503
Operating income (loss)		5,913		(3,907	)		2,006		4,757		(2,597	)		2,160
Capital expenditures		392		27			419		144		2			146

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Three Months Ended July 31,						Six Months Ended July 31,
	2025			2024			2025			2024
Seamap Marine Products		4,781			2,679			5,913			4,757
Corporate Expenses		(2,117	)		(1,249	)		(3,907	)		(2,597	)
Operating income		2,664			1,430			2,006			2,160
Other income		(65	)		40			(83	)		509
Income before income taxes		2,599			1,470			1,923			2,669

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	As of July 31,
	2025		2024
Seamap Marine Products	$	31,353	$	36,697
Corporate		4,478		1,139
Total Assets	$	35,831	$	37,836