Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Stock-Based Compensation [Abstract]
Number of Shares, outstanding - beginning of year	398,893
Number of Shares, Granted	50,000
Number of Shares, Exercised	(2,333)
Number of Shares, Forfeited or expired	(90,810)
Number of Shares, outstanding - end of period	355,750	398,893
Number of Shares, exercisable - end of period	128,750
Weighted Average Exercise Price per Share, outstanding - beginning of year	$ 7.95
Weighted Average Exercise Price per Share, Granted	$ 6.63
Weighted Average Exercise Price per Share, Exercised	$ 3.65
Weighted Average Exercise Price per Share, Forfeited or expired	$ 10.15
Weighted Average Exercise Price per Share, outstanding - end of period	$ 7.23	$ 7.95
Weighted Average Exercise Price per Share, exercisable - end of period	$ 9.44
Options outstanding, weighted average remaining contractual term	6 years 1 month 6 days	5 years 7 months 6 days
Granted, weighted average remaining contractual term	4 years
Options exercisable, weighted average remaining contractual term	3 years
Options outstanding, aggregate intrinsic value		$ 13,080
Aggregate Intrinsic Value, Options granted	36,000
Aggregate Intrinsic Value, Options exercised	8,632
Aggregate Intrinsic Value, Options outstanding	370,155
Options exercisable, aggregate intrinsic value	$ 18,805