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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
Schedule of future minimum lease payments under operating and capital lease obligations | Future minimum lease payments under operating and capital lease obligations are as follows (in thousands):
| Capital Leases |  | Operating Leases |  | Purchase Commitments
2017 | $ | 1,644 |  |  | $ | 1,182 |  |  | $ | 2,471 |
2018 | 1,249 |  |  | 900 |  |  | — |
2019 | 628 |  |  | 916 |  |  | — |
2020 | 78 |  |  | 259 |  |  | — |
2021 | — |  |  | — |  |  | — |
Thereafter | — |  |  | — |  |  | — |
Total minimum lease payments | 3,599 |  |  | $ | 3,257 |  |  | $ | 2,471 |
Less amount representing interest | (418 | ) |  |  |  |
Present value of capital lease obligations | 3,181 |  |  |  |  |
Less current portion of capital lease obligations | (1,644 | ) |  |  |  |
Long-term capital lease obligations | $ | 1,537 |  |  |  |  |

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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 FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: 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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