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Notes Payable (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Payable |
Schedule of estimated future principal payments | Estimated future principal payments at December 31, 2017 are as follows (in thousands):
Year Ending December 31, |  | Amount |
2018 |  |  | 2,500 |
​ | ​ | ​ | ​ | ​
Total |  | $ | 2,500 |
Less: discount for warrants and costs paid to lenders |  |  | (21 | )
Less: current portion |  |  | (2,479 | )
​ | ​ | ​ | ​ | ​
Note payable, net of current portion and discount |  | $ | — |
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of the estimated future principal payments of notes payable. + References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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