Stockholders' Equity (Narrative) (Details)				1 Months Ended
	Jul. 14, 2015	Jun. 23, 2015	Dec. 31, 2014 employee_group $ / shares shares	Jun. 30, 2015	Sep. 30, 2015 $ / shares shares	Mar. 31, 2015 $ / shares shares	Feb. 28, 2015 $ / shares shares
Components of Stockholders' Equity [Line Items]
Number of shares of capital stock authorized						5,000,000,000	170,000,000
Number of common shares authorized			160,000,000		4,990,000,000	4,990,000,000	160,000,000
Number of preferred shares authorized						10,000,000	10,000,000
Common stock, par value (dollars per share) | $ / shares			$ 0.001		$ 0.001	$ 0.001	$ 0.001
Preferred stock, par value (dollars per share) | $ / shares						$ 0.001	$ 0.001
Stock split declared	7	7		7
Number of employee groups | employee_group			2
2011 Stock Plan [Member]
Components of Stockholders' Equity [Line Items]
Shares reserved for future issuance					17,500,000