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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2014
Commitments and Contingencies |
Summary of the future minimum lease payments | Future minimum lease payments as of December 31, 2014 are as follows (in thousands):
Year |  |  |
2015 |  | $ | 646 |
2016 |  |  | 292 |
2017 |  |  | 173 |
2018 |  |  | — |
2019 |  |  | — |
​ | ​ | ​ | ​ | ​
|  | $ | 1,111 |
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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