Net Loss Per Share (Details) - shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Anti-dilutive securities
Potentially dilutive common shares that have not been included in the net loss per common share calculations because the effect would have been anti-dilutive	10,210,598	8,127,878
Stock options
Anti-dilutive securities
Potentially dilutive common shares that have not been included in the net loss per common share calculations because the effect would have been anti-dilutive	10,150,598	8,098,128
Restricted stock
Anti-dilutive securities
Potentially dilutive common shares that have not been included in the net loss per common share calculations because the effect would have been anti-dilutive	60,000	29,750