Significant Accounting Policies - IPO (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Initial Offering Period			February 20, 2013
Stock Issued During Period Shares New Issues	6,235,017	13,352,147	2,400,000
Proceeds From Issuance Initial Public Offering			$ 35,400,000