Note 10 - Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

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

	Battery & Energy Products			Communications Systems			Corporate			Total
Revenue	$	178,042		$	13,117		$	-		$	191,159
Cost of products sold		(135,402	)		(9,736	)		-			(145,138	)
Gross profit		42,640			3,381			-			46,021
Direct R&D and SG&A expenses		(22,417	)		(4,671	)		-			(27,088	)
Segment contribution		20,223			(1,290	)		-			18,933
Corporate G&A expenses		-			-			(24,835	)		(24,835	)
Operating loss											(5,902	)
Other expense, net								(2,496	)		(2,496	)
Income tax provision								2,447			2,447
Non-controlling interest								53			53
Net loss attributable to Ultralife										$	(5,898	)
Total assets	$	165,592		$	27,201		$	24,119		$	216,912
Capital expenditures	$	3,872		$	-		$	-		$	3,872
Goodwill	$	33,883		$	11,493		$	-		$	45,376
Depreciation and amortization of intangible assets	$	5,115		$	231		$	153		$	5,499
Stock-based compensation	$	602		$	97		$	236		$	935

	Battery & Energy Products			Communications Systems			Corporate			Total
Revenue	$	144,081		$	20,375		$	-		$	164,456
Cost of products sold		(107,764	)		(14,378	)		-			(122,142	)
Gross profit		36,317			5,997			-			42,314
Direct R&D and SG&A expenses		(17,320	)		(4,806	)		-			(22,126	)
Segment contribution		18,997			1,191			-			20,188
Corporate G&A expenses		-			-			(10,223	)		(10,223	)
Operating profit											9,965
Other expense, net								(1,664	)		(1,664	)
Income tax provision								(1,892	)		(1,892	)
Non-controlling interest								(97	)		(97	)
Net income attributable to Ultralife										$	6,312
Total assets	$	173,954		$	26,876		$	19,621		$	220,451
Capital expenditures	$	1,261		$	513		$	158		$	1,932
Goodwill	$	33,513		$	11,493		$	-		$	45,006
Depreciation and amortization of intangible assets	$	3,676		$	237		$	244		$	4,157
Stock-based compensation	$	383		$	96		$	219		$	698

Schedule of Revenues from External Customers by Business Segment Sector [Table Text Block]

	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	178,042	$	125,295		$	52,747
Communications Systems		13,117		-			13,117
Total	$	191,159	$	125,295		$	65,864
				66	%		34	%

	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	144,081	$	102,082		$	41,999
Communications Systems		20,375		-			20,375
Total	$	164,456	$	102,082		$	62,374
				62	%		38	%

	Total Revenue		United States			Non-United States
Battery & Energy Products	$	178,042	$	125,903		$	52,139
Communications Systems		13,117		11,174			1,943
Total	$	191,159	$	137,077		$	54,082
				72	%		28	%

	Total Revenue		United States			Non-United States
Battery & Energy Products	$	144,081	$	82,227		$	61,854
Communications Systems		20,375		14,813			5,562
Total	$	164,456	$	97,040		$	67,416
				59	%		41	%