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Notes Payable (Tables) | 12 Months Ended
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Dec. 31, 2015
Notes Payable |
Schedule of estimated future principal payments of Term Loans | Estimated future principal payments at December 31, 2015 are as follows (in thousands):
Year Ending December 31, |  | Amount |
2016 |  | $ | 3,334 |
2017 |  |  | 3,333 |
2018 |  |  | 2,500 |
​ | ​ | ​ | ​ | ​
Total |  | $ | 9,167 |
Less: discount for warrants and costs paid to lender |  |  | (220 | )
Less: current portion |  |  | (3,205 | )
​ | ​ | ​ | ​ | ​
Note payable, net of current portion and discount |  | $ | 5,742 |
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​

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