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Research and Development and Government and Industry Funded Contracts (Tables) | 12 Months Ended
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Dec. 31, 2016
Government and Industry Funded Contracts [Abstract] |
Schedule of Government and Industry Funded Contracts | The following table shows the impact to Research and development expense amounts recognized in the Consolidated Statement of Operations:
|  | Years Ended December 31,
(in thousands) |  | 2016 |  | 2015 |  | 2014
Research and development expense |  | $ | 173 |  |  | $ | 6,737 |  |  | $ | 3,554 |
Less: |  |  |  |  |  |
DOE funding |  | 821 |  |  | 1,375 |  |  | 1,756 |
Industry cost-share funding |  | — |  |  | — |  |  | 277 |
Research and development expense, net |  | $ | (648 | ) |  | $ | 5,362 |  |  | $ | 1,521 |

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