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Note 5 - Goodwill and Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Other Assets [Table Text Block] |
(in thousands) |  | 2018 |  |  | 2017 |
Investment in TEL |  | $ | 26,106 |  |  | $ | 20,145 |
Other assets, net |  |  | 11,043 |  |  |  | 3,137 |
Total other assets |  | $ | 37,149 |  |  | $ | 23,282 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
(in thousands) |  | December 31, 2018 |  |  |  |  |
|  | Gross intangible assets |  |  | Accumulated amortization |  |  | Net intangible assets |  |  | Life (months) |
Trade name |  | $ | 4,400 |  |  | $ | (147 | ) |  | $ | 4,253 |  |  |  | 180 |
Non-Compete agreement |  |  | 1,400 |  |  | $ | (140 | ) |  |  | 1,260 |  |  |  | 60 |
Customer relationships |  |  | 28,200 |  |  | $ | (1,175 | ) |  |  | 27,025 |  |  |  | 144 |
Total |  | $ | 34,000 |  |  | $ | (1,462 | ) |  | $ | 32,538 |  |  |  |  |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | (In thousands) |
2019 |  | $ | 2,923 |
2020 |  |  | 2,923 |
2021 |  |  | 2,923 |
2022 |  |  | 2,923 |
2023 |  |  | 2,783 |
Thereafter |  |  | 18,063 |

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