Stock Option and Incentive Plans (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
2005 Plan
Stock option and incentive plans
Common stock reserved for issuance (in shares)	1,232,343		1,232,343
2005 Plan | Stock option
Stock option and incentive plans
Stock options outstanding	1,108,173		1,108,173
Weighted average exercise price (in dollars per share)	$ 1.25		$ 1.25
Options issued (in shares)	42,000		42,000
Total stock based compensation expense	$ 216,076	$ 72,028	$ 263,063	$ 160,510
2005 Plan | Stock option | Research and development
Stock option and incentive plans
Total stock based compensation expense	35,324		38,789
2005 Plan | Stock option | General and administrative
Stock option and incentive plans
Total stock based compensation expense	$ 180,752	$ 72,028	$ 224,274	$ 160,510
2014 Plan
Stock option and incentive plans
Common stock reserved for issuance (in shares)	658,000		658,000
Shares authorized for grant (in shares)	700,000		700,000