Net Loss Per Common Share (Details)	0 Months Ended	12 Months Ended
	Jun. 11, 2013	Dec. 31, 2014	Dec. 31, 2013
Net Loss Per Common Share
Reverse stock split ratio of shares outstanding	0.1431	0.1431
Net Loss Per Common Share
Total potential dilutive shares		2,025,057	1,695,494
Warrant
Net Loss Per Common Share
Total potential dilutive shares		285,920	277,690
Common shares under option
Net Loss Per Common Share
Total potential dilutive shares		1,729,586	1,401,101
Unvested restricted stock
Net Loss Per Common Share
Total potential dilutive shares		9,551	16,703