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Borrowings (Tables) | 6 Months Ended
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Jun. 30, 2018
Borrowings |
Schedule of future debt payment obligations | As of June 30, 2018, assuming the principal payments start on December 1, 2020, the Company’s future debt payment obligations towards the principal and final fee, excluding interest payments and exit fee, for the respective fiscal years are as follows (in thousands):
2018 |  | $ | —
2019 |  |  | —
2020 |  |  | 2,083
2021 |  |  | 25,000
2022 |  |  | 24,892
Total principal and final fee payments |  |  | 51,975
Less: Unamortized discount and debt issuance costs |  |  | (1,218)
Less: Unaccreted value of final fee |  |  | (1,921)
Loan payable, long term |  | $ | 48,836

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + 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 + Details
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