Note 3 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Goodwill [Table Text Block]

Sigma	$	1,656
Thermonics		50
Ambrell		12,032
Total	$	13,738

Schedule of Carrying Value of Finite-lived Intangible Assets [Table Text Block]

Balance - January 1, 2018	$	9,304
Amortization		(1,103	)
Balance - December 31, 2018		8,201
Amortization		(1,257	)
Balance - December 31, 2019	$	6,944

Schedule Of Intangible Assets [Table Text Block]

	December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	10,480	$	3,805	$	6,675
Technology		600		380		220
Patents		590		541		49
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		12,080		5,136		6,944
Indefinite-lived intangible assets:
Trademarks		6,710		-		6,710
Total intangible assets	$	18,790	$	5,136	$	13,654

	December 31, 2018
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	10,480	$	2,717	$	7,763
Technology		600		250		350
Patents		590		502		88
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		12,080		3,879		8,201
Indefinite-lived intangible assets:
Trademarks		6,710		-		6,710
Total intangible assets	$	18,790	$	3,879	$	14,911

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2020	$	1,233
2021	$	1,227
2022	$	1,167
2023	$	1,067
2024	$	980