Stockholders’ Equity - Stock Option Activity (Details)	3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares
Stockholders’ Equity
Shares available for issuance under omnibus incentive compensation plan	3,501,577
Number of shares
Beginning balance outstanding (in shares)	998,198
Granted (in shares)	0
Exercised (in shares)	0
Forfeited (in shares)	0
Expired (in shares)	0
Ending balance outstanding (in shares)	998,198
Vested and expected to vest (in shares)	992,029
Exercisable (in shares)	592,194
Weighted average exercise price
Beginning balance outstanding (in dollars per share) | $ / shares	$ 3.94
Granted (in dollars per share) | $ / shares	0.00
Ending balance outstanding (in dollars per share) | $ / shares	3.94
Vested and expected to vest (in dollars per share) | $ / shares	3.95
Exercisable (in dollars per share) | $ / shares	$ 2.42
Weighted average contractual term
Outstanding (in years)	8 years 7 months 6 days
Vested and expected to vest (in years)	8 years 7 months 6 days
Exercisable (in years)	8 years 2 months 12 days
Aggregate intrinsic value
Outstanding (in dollars) | $	$ 4,654,324
Vested and expected to vest (in dollars) | $	4,609,291
Exercisable (in dollars) | $	$ 3,662,355