Note 4 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021	$	5,711
Amortization		(304	)
Balance - March 31, 2021	$	5,407

Schedule Of Intangible Assets [Table Text Block]

	March 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	10,480	$	5,191	$	5,289
Technology		600		498		102
Patents		590		574		16
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		12,080		6,673		5,407
Indefinite-lived intangible assets:
Trademarks		6,710		-		6,710
Total intangible assets	$	18,790	$	6,673	$	12,117

	December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	10,480	$	4,912	$	5,568
Technology		600		477		123
Patents		590		570		20
Software		270		270		-
Trade name		140		140		-
Total finite-lived intangible assets		12,080		6,369		5,711
Indefinite-lived intangible assets:
Trademarks		6,710		-		6,710
Total intangible assets	$	18,790	$	6,369	$	12,421

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

2021 (remainder)	$	923
2022	$	1,167
2023	$	1,067
2024	$	980
2025	$	905