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Borrowings (Tables) | 6 Months Ended
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Jun. 30, 2019
Debt Disclosure [Abstract] |
Schedule of Annual Future Minimum Principal Payments Under Loan Agreements | The table below summarizes annual future minimum principal payments under the loan agreement as of June 30, 2019 (in thousands):
Remainder of 2019 | $ | — |
2020 | 4,444 |
2021 | 17,778 |
2022 | 17,778 |
Total future minimum payments | 40,000 |
Less: Amount representing debt discount | (907 | )
Long-term borrowings | $ | 39,093 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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