Note 12 - Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

	Battery & Energy Products		Communications Systems		Corporate			Total
Revenues	$	20,761	$	5,053	$	-		$	25,814
Segment contribution		5,316		2,018		(5,849	)		1,485
Other expense						(92	)		(92	)
Tax provision						(319	)		(319	)
Non-controlling interest						(15	)		(15	)
Net income attributable to Ultralife								$	1,059

	Battery & Energy Products		Communica ti ons Systems		Corporate			Total
Revenues	$	15,998	$	2,884	$	-		$	18,882
Segment contribution		4,410		674		(4,536	)		548
Other income						(58	)		(58	)
Tax provision						(41	)		(41	)
Non-controlling interest						(24	)		(24	)
Net income attributable to Ultralife								$	425

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

Three-month period ended March 31, 2020:	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	20,761	$	14,802		$	5,959
Communications Systems		5,053		-			5,053
Total	$	25,814	$	14,802		$	11,012
				57	%		43	%

Three-month period ended March 31, 2019:	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	15,998	$	10,010		$	5,988
Communications Systems		2,884		-			2,884
Total	$	18,882	$	10,010		$	8,872
				53	%		47	%

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

Three-month period ended March 31, 2020:	Total Revenue		United States			Non-United States
Battery & Energy Products	$	20,761	$	11,284		$	9,477
Communications Systems		5,053		4,354			699
Total	$	25,814	$	15,638		$	10,176
				61	%		39	%

Three-month period ended March 31, 2019:	Total Revenue		United States			Non-United States
Battery & Energy Products	$	15,998	$	7,567		$	8,431
Communications Systems		2,884		2,454			430
Total	$	18,882	$	10,021		$	8,861
				53	%		47	%