Note 4 - Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Customer Relationships		Intellectual Property		Trade Names		Patents		Total
Balance at January 1, 2020	$	651	$	5	$	631	$	56	$	1,343
Additions		-		-		-		21		21
Amortization		144		5		42		-		191
Balance at December 31, 2020	$	507	$	-	$	589	$	77	$	1,173
Additions		-		-		-		64		64
Amortization		147		-		29		-		176
Abandonment Loss		-		-		560		-		560
Balance at December 31, 2021	$	360	$	-	$	-	$	141	$	501

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

Year	Amount
2022	$	145
2023		145
2024		71
Total	$	361