Stockholders’ Equity (Assumptions) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Options awards
Weighted-average assumptions
Expected stock price volatility (as a percent)		90.00%
Expected term of options	5 years 3 months 18 days	6 years 10 months 24 days
Risk-free interest rate (as a percent)		2.19%
Weighted average grant date fair value (in dollars per share)		$ 4.51
Other disclosures
Intrinsic value of stock options exercised	$ 110,724	$ 948,417
Estimated fair value of shares vested	$ 5,560,150	$ 3,235,533
Executive
Weighted-average assumptions
Expected stock price volatility (as a percent)	75.00%
Expected term of options	8 years
Risk-free interest rate (as a percent)	1.73%
Weighted average grant date fair value (in dollars per share)	$ 3.84
All others
Weighted-average assumptions
Expected stock price volatility (as a percent)	91.00%
Expected term of options	5 years 3 months 18 days
Risk-free interest rate (as a percent)	1.33%
Weighted average grant date fair value (in dollars per share)	$ 3.44