Note 19 - Segment Reporting (Tables)

12 Months Ended

Jan. 31, 2023

Notes Tables

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

	As of January 31, 2023								As of January 31, 2022
	Seamap Marine Products		Klein Marine Products		Corporate		Consolidated		Seamap Marine Products		Klein Marine Products		Corporate		Consolidated
Accounts Receivable, Net	$	3,245	$	748	$	—	$	3,993	$	7,246	$	880	$	—	$	8,126
Inventories, Net		11,026		4,292		—		15,318		9,508		4,498		—		14,006
Long-lived Assets, Net		5,649		4,480		496		10,625		7,741		3,879		505		12,125
Segment assets		19,920		9,520		496	$	29,936		24,495		9,257		505		34,257
Other(1)								2,922								7,763
Total Consolidated Assets							$	32,858							$	42,020

	Year Ended January 31,
	2023														2022
	Seamap Marine Products		Klein Marine Products			Corporate expenses			Eliminations			Consolidated			Seamap Marine Products			Klein Marine Products			Corporate expenses			Eliminations			Consolidated
Revenues	$	25,012	$	10,555		$	—		$	(476	)	$	35,091		$	17,294		$	5,825		$	—		$	(12	)	$	23,107
Cost of sales		15,537		7,055			—			(476	)		22,116			11,735			5,362			—			(12	)		17,085
Capital expenditures		103		528			—			—			631			233			757			—			—			990
Depreciation and amortization expense		1,253		543			91			—			1,887			1,591			541			77			—			2,209
Operating income (loss)		2,074		(2,309	)		(7,379	)		—			(7,614	)		(4,462	)		(5,263	)		(4,819	)		—			(14,544	)

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

	Years Ended January 31,
	2023			2022
Seamap Marine Products	$	2,074		$	(4,462	)
Klein Marine Products		(2,309	)		(5,263	)
Corporate Expenses		(7,379	)		(4,819	)
Operating loss		(7,614	)		(14,544	)
Employment Retention Credit		1,004			—
Paycheck Protection Plan		—			850
Other		(122	)		76
Loss from continuing operations before income taxes	$	(6,732	)	$	(13,618	)