Stock Incentive Plan Compensation (Summary of Stock Option Activity) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Stock Incentive Plan Compensation [Abstract]
Shares Available for Grant, Beginning Balance	723,431	785,000
Shares Available for Grant, Granted	(264,208)	(596,569)
Shares Available for Grant, Forfeited	180,939	15,000
Shares Available for Grant, Authorized	1,000,000	520,000
Shares Available for Grant, Ending Balance	1,640,162	723,431
Shares, Beginning Balance	669,769	440,695
Shares, Granted	264,208	596,569
Shares, Exercises		(214,815)
Shares, Forfeited	(185,039)	(152,680)
Shares, Ending Balance	748,938	669,769
Shares, Vested or expected to vest at December 31, 2016	703,508
Shares, Exercisable at December 30, 2016	316,107
Weighted Average Exercise Price, Outstanding at December 31, 2015	$ 8.68
Weighted Average Exercise Price, Granted	2.65
Weighted Average Exercise Price, Forfeited	9.00
Weighted Average Exercise Price, Outstanding at December 31, 2016	6.45	$ 8.68
Weighted Average Exercise Price, Vested or expected to vest at December 31, 2016	6.57
Weighted Average Exercise Price, Exercisable at December 31, 2016	$ 8.88
Average Remaining Contractual Term (Years), Outstanding	8 years 7 months 24 days	9 years 3 months 15 days
Average Remaining Contractual Term (Years), Vested or expected to vest at December 31, 2016	8 years 7 months 13 days
Average Remaining Contractual Term (Years), Exercisable at December 31, 2016	8 years 2 months 12 days