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Related‑Party Transactions	3 Months Ended
Related‑Party Transactions	Mar. 31, 2018
Related Party Transactions [Abstract]
Related-Party Transactions	Related‑Party Transactions The Company has incurred costs related to consulting services provided by a member of the Board of Directors of $72 thousand and zero during the three months ended March 31, 2018 and 2017, respectively. These costs were included in sales, general and administrative expense on the consolidated statement of operations. As of March 31, 2018 and December 31, 2017 the Company had accrued $43 thousand and $79 thousand, respectively, related to the services noted above within accounts payable.