Consolidated Statements of Changes in Convertible Preferred Shares/Stock and Members'/Stockholders' Equity (Deficit) (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Series A Convertible Preferred Shares
Convertible preferred shares, net of issuance costs		$ 29
Series B Convertible Preferred Stock
Convertible preferred shares, net of issuance costs	$ 321