Note 14 - Segment Reporting (Tables)

3 Months Ended

Apr. 30, 2023

Notes Tables

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

As of April 30, 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
$	22,516	$	10,680	$	—	$	649	$	33,845	$	21,302	$	10,708	$	—	$	848	$	32,858

	For the Three Months Ended April 30, 2023														For the Three Months Ended April 30, 2022
	Seamap Marine Products		Klein Marine Products			Corporate expenses			Eliminations			Consolidated			Seamap Marine Products		Klein Marine Products			Corporate expenses			Eliminations			Consolidated
Revenues	$	10,597	$	2,330		$	-		$	(341	)	$	12,586		$	8,079	$	1,122		$	-		$	(114	)	$	9,087
Cost of sales		6,061		1,449			-			(341	)		7,169			5,057		855			-			(114	)		5,798
Depreciation and amortization expense		313		149			19			-			481			323		132			24			-			479
Interest expense		-		-			(204	)		-			(204	)		-		-			(4	)		-			(4	)
Operating income (loss)		2,720		(131	)		(2,300	)		-			289			1,431		(1,180	)		(2,727	)		-			(2,476	)

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

	Three Months Ended April 30
	2023			2022
Seamap Marine Products	$	2,720		$	1,431
Klein Marine Products		(131	)		(1,180	)
Corporate Expenses		(2,300	)		(2,727	)
Operating income (loss)		289			(2,476	)
Interest Expense		(204	)		(4	)
Other		93			(114	)
Income (loss) from continuing operations before income taxes	$	178		$	(2,594	)