Net Loss Per Common Share (Details) - shares	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Net Loss Per Common Share
Total potential dilutive shares	3,432,590	2,946,851
Warrant
Net Loss Per Common Share
Total potential dilutive shares	256,590	256,590
Common shares under option
Net Loss Per Common Share
Total potential dilutive shares	3,158,187	2,662,862
Unvested restricted stock and RSUs
Net Loss Per Common Share
Total potential dilutive shares	17,813	27,399