Stockholders' Equity (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, exercisable				$ 7.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value				$ 835,350
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value				$ 579,371
Equity Incentive 2011 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Common shares, outstanding beginning of period	830,599	595,786
Common shares, granted	38,535	277,059
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0
Common shares, forfeited	(9,329)	(42,246)
Common shares, outstanding end of period	859,805	830,599	595,786
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, beginning of period	$ 8.65	$ 9.20
Weighted average exercise price, granted	7.33	7.43
Weighted average exercise price, exercised	0.00	0.00
Weighted average exercise price, forfeited	7.90	7.70
Weighted average exercise price, end of period	$ 8.65	$ 9.20	$ 9.20	$ 8.60
Share-based compensation arrangement by share-based payment award, options, exercisable, number				420,491
Weighted average exercise price, exercisable				$ 10.08
Weighted average remaining life (years), outstanding	6 years 8 months	6 years 9 months	6 years 6 months
Weighted average remaining life (years), exercisable	6 years