Stock-Based Compensation (Stock Options By Exercise Price Range) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding	191,002	223,002	255,252
Options Outstanding, Weighted Average Life Remaining	2 years 6 months
Options Outstanding, Weighted Average Exercise Price	$ 9.08	$ 9.30	$ 9.63
Options Outstanding, Aggregate Intrinsic Value	$ 365,293
Options Exercisable, Number Exercisable	191,002
Options Exercisable, Weighted Average Exercise Price	$ 9.08	$ 9.30
Options Exercisable, Aggregate Intrinsic Value	$ 365,293
$6.00 - 8.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 6.00
Exercise Price Range, Upper Range Limit	$ 8.00
Options Outstanding, Number Outstanding	76,252
Options Outstanding, Weighted Average Life Remaining	2 years 6 months
Options Outstanding, Weighted Average Exercise Price	$ 6.20
Options Outstanding, Aggregate Intrinsic Value	$ 100,940
Options Exercisable, Number Exercisable	76,252
Options Exercisable, Weighted Average Exercise Price	$ 6.20
Options Exercisable, Aggregate Intrinsic Value	$ 100,940
$8.01 - 11.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 8.01
Exercise Price Range, Upper Range Limit	$ 11.00
Options Outstanding, Number Outstanding	69,750
Options Outstanding, Weighted Average Life Remaining	3 years 2 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 8.28
Options Outstanding, Aggregate Intrinsic Value	$ 264,353
Options Exercisable, Number Exercisable	69,750
Options Exercisable, Weighted Average Exercise Price	$ 8.28
Options Exercisable, Aggregate Intrinsic Value	$ 264,353
$11.00 - 14.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$ 11.01
Exercise Price Range, Upper Range Limit	$ 14.00
Options Outstanding, Number Outstanding	45,000
Options Outstanding, Weighted Average Life Remaining	1 year 9 months 18 days
Options Outstanding, Weighted Average Exercise Price	$ 12.80
Options Exercisable, Number Exercisable	45,000
Options Exercisable, Weighted Average Exercise Price	$ 12.80