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Note 5 - Goodwill and Other Intangible Assets - Estimated Future Amortization (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
2019 $ 1,736
2020 1,570
2021 1,368
2022 1,147
2023 447
2024 and thereafter 291
Totals 6,559
Trademarks and Trade Names [Member]  
2019 153
2020 153
2021 153
2022 153
2023 37
2024 and thereafter
Totals 649
Customer-Related Intangible Assets [Member]  
2019 631
2020 631
2021 631
2022 600
2023 148
2024 and thereafter
Totals 2,641
Developed Technology Rights [Member]  
2019 191
2020 183
2021 183
2022 65
2023 28
2024 and thereafter 40
Totals 690
Technology-Based Intangible Assets [Member]  
2019 252
2020 252
2021 252
2022 252
2023 214
2024 and thereafter 251
Totals 1,473
Computer Software, Intangible Asset [Member]  
2019 222
2020 197
2021 110
2022 77
2023 20
2024 and thereafter
Totals 626
Product Certification [Member]  
2019 287
2020 154
2021 39
2022
2023
2024 and thereafter
Totals 480
Other Intangible Assets [Member]  
2019
2020
2021
2022
2023
2024 and thereafter
Totals