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v3.8.0.1

Debt (Details) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) loan | Dec. 31, 2014 | Jun. 30, 2013 USD ($) | Sep. 30, 2017 USD ($) installment | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) installment | Sep. 30, 2016 USD ($) | Jun. 30, 2017 USD ($)
Debt |  |  |  |  |  |  |  |  |
Repayment of long-term debt |  |  |  |  |  |  | $ 0 | $ 5,000,000 |
Paid-in-kind interest |  |  |  |  |  |  | 0 | 385,000 |
Interest Expense, Debt [Abstract] |  |  |  |  |  |  |  |  |
Nominal interest |  |  |  |  | $ 778,000 | $ 772,000 | 2,311,000 | 1,600,000 |
Amortization and write-off of debt discount and debt issuance costs |  |  |  |  | 27,000 | 27,000 | 79,000 | 145,000 |
Prepayment penalty |  |  |  |  | 0 | 0 | 0 | 50,000 |
End-of-term payment interest |  |  |  |  | 0 | 0 | 0 | 156,000 |
Interest on capital lease |  |  |  |  | 10,000 | 0 | 33,000 | 0 |
Total |  |  |  |  | $ 815,000 | $ 799,000 | $ 2,423,000 | $ 1,951,000 |
Line of Credit | Visium |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |
Number of term loans | loan |  | 2 |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 40,000,000.0 |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  | 12.00% |  | 12.00% |  |
Number of installments | installment |  |  |  |  | 8 |  | 8 |  |
Term of debt with equal quarterly installments |  |  |  |  |  |  | 2 years |  |
Rate for which Company may elect to pay interest in cash (as a percent) |  |  |  |  | 0.090 |  | 0.090 |  |
Remaining percentage for which interest is paid-in-kind |  |  |  |  | 0.030 |  | 0.030 |  |
Paid-in-kind interest |  |  |  |  | $ 385,000 |  |  |  |
Prepayment allowed |  | 5,000,000.0 |  |  |  |  |  |  |
Whole multiple in excess of minimum prepayment |  | $ 1,000,000.0 |  |  |  |  |  |  |
Prepayment premium for prepayment made on or prior to March 31, 2018 (as a percent) |  | 0.24 |  |  |  |  |  |  |
Prepayment premium for prepayment made after March 31, 2018 and on or prior to March 31, 2019 (as a percent) |  | 0.04 |  |  |  |  |  |  |
Prepayment premium for prepayment made after March 31, 2019 and on or prior to March 31, 2020 (as a percent) |  | 0.02 |  |  |  |  |  |  |
Prepayment premium for prepayment made after March 31, 2020 and on or prior to March 31, 2021 (as a percent) |  | 0.01 |  |  |  |  |  |  |
Debt principal |  |  |  |  | 25,385,000 |  | $ 25,385,000 |  |
Unamortized deferred debt issuance costs |  |  |  |  | (388,000) |  | (388,000) |  |
Net debt obligation |  |  |  |  | 24,997,000 |  | 24,997,000 |  |
Future principal payments |  |  |  |  |  |  |  |  |
2020 |  |  |  |  | 9,519,000 |  | 9,519,000 |  |
2021 |  |  |  |  | 12,693,000 |  | 12,693,000 |  |
2022 |  |  |  |  | 3,173,000 |  | 3,173,000 |  |
Total |  |  |  |  | $ 25,385,000 |  | $ 25,385,000 |  |
Line of Credit | Visium | Initial Term Loan |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |
Drawn down initial term loan | $ 25,000,000 |  |  |  |  |  |  |  |
Repayment of long-term debt | $ 5,000,000 |  |  |  |  |  |  |  |
Line of Credit | Visium | Second Term Loan |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 15,000,000.0
Term Loans |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 10,000,000.0 |  |  |  |  |
Prepayment premium for prepayment made after March 31, 2021 (as a percent) |  |  | 0 |  |  |  |  |  |
Future principal payments |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  | $ 5,000,000 |  |  |  |  |

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