XML 31 R17.htm IDEA: XBRL DOCUMENT

Employee benefit plan	12 Months Ended
Employee benefit plan	Dec. 31, 2018
Retirement Benefits [Abstract]
Employee benefit plan	Employee Benefit Plan The Company has a 401(k) tax-deferred savings plan, whereby eligible employees may contribute a percentage of their eligible compensation. The Company makes matching contributions under the 401(k) plan.