Note 11 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

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

	Three Months Ended June 30,						Six Months Ended June 30,
	201 9			201 8			2019			201 8
Net Revenues:
Thermal	$	10,519		$	13,999		$	23,153		$	27,233
EMS		3,833			7,098			9,261			12,735
	$	14,352		$	21,097		$	32,414		$	39,968
Earnings (loss) before income tax expense (benefit):
Thermal	$	309		$	2,592		$	1,453		$	2,500
EMS		102			2,194			1,149			3,486
Corporate		(711	)		(390	)		(1,440	)		(608	)
	$	(300	)	$	4,396		$	1,162		$	5,378
Net earnings (loss):
Thermal	$	298		$	2,415		$	1,189		$	1,960
EMS		125			1,945			940			2,950
Corporate		(610	)		(346	)		(1,178	)		(515	)
	$	(187	)	$	4,014		$	951		$	4,395

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

	Three Months Ended June 30,				Six Months Ended June 30,
	201 9		201 8		2019		201 8
Net revenues:
U.S.	$	6,283	$	6,818	$	13,093	$	13,361
Foreign		8,069		14,279		19,321		26,607
	$	14,352	$	21,097	$	32,414	$	39,968

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

	June 30, 201 9		December 31, 201 8
Property and equipment:
U.S.	$	2,239	$	2,327
Foreign		333		390
	$	2,572	$	2,717

Asset [Member]

Notes Tables

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

	June 30, 2019		December 31, 2018
Identifiable assets:
Thermal	$	53,052	$	55,343
EMS		7,101		6,692
Corporate		643		5,152
	$	60,796	$	67,187