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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Intangible Assets |
Schedule reflecting the composition of intangible assets, net | The following reflects the composition of intangible assets, net (in thousands):
|  | December 31, |  | December 31, |
|  | 2018 |  | 2017 |
GMP royalty buyout |  | $ | 17,500 |  | $ | 17,500 |
Non-compete agreements |  |  | 341 |  |  | 524 |
|  |  | 17,841 |  |  | 18,024 |
Accumulated amortization |  |  | (17,841) |  |  | (14,877) |
Total |  | $ | — |  | $ | 3,147 |
Weighted average amortization period (in months) |  |  | 60 |  |  | 60 |

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