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Borrowings Borrowings (Tables)
12 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]  
Schedule of Future Principal Debt Payments
Future principal debt payments on the currently outstanding Term Loan payable as of December 31, 2016 are as follows:
2017
$

2018
4,500

2019
6,000

2020
4,500

Total principal payments
15,000

Final fee due at maturity
750

Total principal and final fee payment
15,750

Unamortized discount and debt issuance costs
(1,498
)
Less current portion

Loan payable, long term
$
14,252