Notes Payable-Related Party	12 Months Ended
Dec. 31, 2017
Notes Payable-Related Party
Notes Payable-Related Party	6. Notes Payable—Related Party During 2014, the Company entered into a convertible promissory note with a stockholder, and made multiple drawdowns under the note throughout 2014 and 2015. The note accrued interest at a rate of 8% per year until the principal of the note was either repaid or otherwise converted. During 2016, the Company made additional drawdowns under the convertible promissory note totaling $25,900, and as of December 31, 2016, the Company owed $29,000 aggregate principal and $1,274 of accrued interest in connection with the promissory note. Interest expense from the related-party note was $121 and $1,233 for the years ended December 31, 2017 and 2016, respectively. The accrued interest as of December 31, 2016 of $1,274 is included in note payable and accrued interest-related party in the accompanying consolidated balance sheet as of December 31, 2016. On January 13, 2017, the Company received aggregate proceeds of $750 from an amendment and restatement of the promissory note. On January 20, 2017, in accordance with its terms and in connection with and prior and subject to the consummation of the merger with Macrocure, the outstanding note payable, including principal and accrued interest totaling $31,145, was converted into 1,950,768 shares of common stock.

6. Notes Payable—Related Party

During 2014, the Company entered into a convertible promissory note with a stockholder, and made multiple drawdowns under the note throughout 2014 and 2015. The note accrued interest at a rate of 8% per year until the principal of the note was either repaid or otherwise converted. During 2016, the Company made additional drawdowns under the convertible promissory note totaling $25,900, and as of December 31, 2016, the Company owed $29,000 aggregate principal and $1,274 of accrued interest in connection with the promissory note. Interest expense from the related-party note was $121 and $1,233 for the years ended December 31, 2017 and 2016, respectively. The accrued interest as of December 31, 2016 of $1,274 is included in note payable and accrued interest-related party in the accompanying consolidated balance sheet as of December 31, 2016.

On January 13, 2017, the Company received aggregate proceeds of $750 from an amendment and restatement of the promissory note. On January 20, 2017, in accordance with its terms and in connection with and prior and subject to the consummation of the merger with Macrocure, the outstanding note payable, including principal and accrued interest totaling $31,145, was converted into 1,950,768 shares of common stock.