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Debt (Tables) | 9 Months Ended
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Sep. 30, 2017
Debt Disclosure [Abstract] |
Schedule of net debt obligation | As of September 30, 2017, the net debt obligation for borrowings made under the Credit Agreement was as follows (in thousands of dollars):
| September 30, 2017
Debt principal | $ | 25,385 |
Unamortized deferred debt issuance costs | (388 | )
Net debt obligation | $ | 24,997 |
Schedule of future principal payments under the Credit agreement | Future principal payments under the Credit Agreement are as follows (in thousands of dollars):
Year Ending December 31, |
2020 | $ | 9,519 |
2021 | 12,693 |
2022 | 3,173 |
Total | $ | 25,385 |
Schedule of interest expense on debt | Interest expense consists of the following (in thousands of dollars):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Nominal interest | $ | 778 |  |  | $ | 772 |  |  | $ | 2,311 |  |  | $ | 1,600 |
Amortization and write-off of debt discount and debt issuance costs | 27 |  |  | 27 |  |  | 79 |  |  | 145 |
Prepayment penalty | — |  |  | — |  |  | — |  |  | 50 |
End-of-term payment interest | — |  |  | — |  |  | — |  |  | 156 |
Interest on capital lease | 10 |  |  | — |  |  | 33 |  |  | — |
Total | $ | 815 |  |  | $ | 799 |  |  | $ | 2,423 |  |  | $ | 1,951 |

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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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- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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