Stockholders' Equity and Redeemable Convertible Preferred Stock (Details 5) - Restricted Stock [Member] - $ / shares		9 Months Ended
	Jan. 05, 2015	Sep. 30, 2015
Nonvested Beginning Balance, Shares	7,500	7,500
Granted, Shares		127,933
Vested, Shares	(2,500)	(135,433)
Nonvested Ending Balance, Shares		0
Nonvested Beginning Balance, Weighted Average Grant Day Fair Value	$ 2.63	$ 2.63
Granted, Weighted Average Grant Day Fair Value		0.45
Vested, Weighted Average Grant Day Fair Value		0.56
Nonvested Ending Balance, Weighted Average Grant Day Fair Value		$ 0.00