Note 5 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

		December 31, 2019						December 31, 2018
	Amortization	Gross				Net		Gross				Net
	Period	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
(Dollars in thousands)	(Years)	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	1 - 9		$ 7,440		$ (4,935)		$ 2,505		$ 6,740		$ (4,514)		$ 2,226
Developed technology	4 - 9		17,460		(14,101)		3,359		15,820		(13,404)		2,416
Tradename	2 - 7		790		(673)		117		790		(648)		142
Patent	7 - 10		1,800		(1,560)		240		1,800		(1,520)		280
Total			$ 27,490		$ (21,269)		$ 6,221		$ 25,150		$ (20,086)		$ 5,064

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

Year Ending December 31,
2020	$	1,269
2021		1,093
2022		886
2023		886
2024		747
2025 and thereafter		1,340
Total future amortization expense	$	6,221