Note 17 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

	Year Ended December 31, 2024
(in thousands)	Electronic Test		Environmental Technologies		Process Technologies		Corporate & Other			Consolidated
Revenue	$	63,878	$	28,898	$	37,914	$	-		$	130,690
Cost of revenue		35,843		17,780		21,643		-			75,266
Other divisional costs		19,303		9,002		11,299		-			39,604
Division operating income		8,732		2,116		4,972		-			15,820
Acquired intangible amortization								2,545			2,545
Corporate expenses								9,881			9,881
Operating income		8,732		2,116		4,972		(12,426	)		3,394
Interest expense		-		-		-		(846	)		(846	)
Other income		-		-		-		906			906
Earnings before income tax expense	$	8,732	$	2,116	$	4,972	$	(12,366	)	$	3,454
Supplemental Divisional Disclosures
Depreciation	$	596	$	301	$	387	$	115		$	1,399
Stock-based compensation		217		182		140		1,318			1,857
Capital expenditures		347		561		176		240			1,324
Total assets		75,671		21,163		50,921		4,533			152,288

	Year Ended December 31, 2023
(in thousands)	Electronic Test		Environmental Technologies		Process Technologies		Corporate & Other			Consolidated
Revenue	$	41,016	$	30,801	$	51,485	$	-		$	123,302
Cost of revenue		18,076		18,631		29,617		-			66,324
Other divisional costs		12,751		9,097		12,324		-			34,172
Division operating income		10,189		3,073		9,544		-			22,806
Acquired intangible amortization								2,094			2,094
Corporate expenses								10,273			10,273
Operating income		10,189		3,073		9,544		(12,367	)		10,439
Interest expense		-		-		-		(679	)		(679	)
Other income		-		-		-		1,288			1,288
Earnings before income tax expense	$	10,189	$	3,073	$	9,544	$	(11,758	)	$	11,048
Supplemental Divisional Disclosures
Depreciation	$	283	$	251	$	399	$	89		$	1,022
Stock-based compensation		150		85		209		1,603			2,047
Capital expenditures		599		495		170		27			1,291
Total assets		32,505		16,772		56,842		28,710			134,829

Revenue from External Customers by Geographic Areas [Table Text Block]

	Years Ended December 31,
(in thousands)	2024		2023
Revenue:
U.S.	$	53,712	$	45,222
Foreign		76,978		78,080
	$	130,690	$	123,302

Long-Lived Assets by Geographic Areas [Table Text Block]

	December 31,
(in thousands)	2024		2023
Property and equipment:
U.S.	$	2,280	$	2,502
Foreign		2,177		688
	$	4,457	$	3,190