Note 15 - Segment Reporting (Tables)

6 Months Ended

Jul. 31, 2023

Notes Tables

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

As of July 31, 2023										As of January 31, 2023
Total Assets										Total Assets
Seamap Marine Products		Klein Marine Products		Equipment Leasing -discontinued		Corporate		Consolidated		Seamap Marine Products		Klein Marine Products		Equipment Leasing -discontinued		Corporate		Consolidated
	$ 23,139		$ 10,537		$ —		$ 549		$ 34,225		$ 21,302		$ 10,708		$ —		$ 848		$ 32,858

	For the Three Months Ended July 31, 2023										For the Three Months Ended July 31, 2022
	Seamap Marine Products		Klein Marine Products		Corporate expenses		Eliminations		Consolidated		Seamap Marine Products		Klein Marine Products		Corporate expenses		Eliminations		Consolidated
Revenues		$ 7,618		$ 1,238		$ -		$ (106)		$ 8,750		$ 5,025		$ 3,689		$ -		$ (1)		$ 8,713
Cost of sales		4,677		912		-		(106)		5,483		3,213		1,963		-		(1)		5,175
Depreciation and amortization expense		284		157		18		-		459		309		135		23		-		467
Interest expense		40		-		(204)		-		(164)		-		-		-		-		-
Operating income (loss)		1,026		(780)		(1,794)		-		(1,548)		292		494		(2,337)		-		(1,551)

	For the Six Months Ended July 31, 2023														For the Six Months Ended July 31, 2022
	Seamap Marine Products		Klein Marine Products			Corporate expenses			Eliminations			Consolidated			Seamap Marine Products		Klein Marine Products			Corporate expenses			Eliminations			Consolidated
Revenues	$	18,215	$	3,569		$	-		$	(448	)	$	21,336		$	13,104	$	4,810		$	-		$	(114	)	$	17,800
Cost of sales		10,738		2,362			-			(448	)		12,652			8,270		2,817			-			(114	)		10,973
Depreciation and amortization expense		597		306			37			-			940			632		267			47			-			946
Interest expense		40		-			(408	)		-			(368	)		-		-			(4	)		-			(4	)
Operating income (loss)		3,746		(911	)		(4,094	)		-			(1,259	)		1,723		(686	)		(5,064	)		-			(4,027	)

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

	Three Months Ended July 31,						Six Months Ended July 31,
	2023			2022			2023			2022
Seamap Marine Products	$	1,026		$	292		$	3,746		$	1,723
Klein Marine Products		(780	)		494			(911	)		(686	)
Corporate Expenses		(1,794	)		(2,337	)		(4,094	)		(5,064	)
Operating loss		(1,548	)		(1,551	)		(1,259	)		(4,027	)
Interest Expense		(164	)		—			(368	)		(4	)
Other		295			(76	)		388			(190	)
Loss from continuing operations before income taxes	$	(1,417	)	$	(1,627	)	$	(1,239	)	$	(4,221	)