Accounting For Stock-Based Compensation (Schedule Of Stock Option Valuation Assumptions) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Dividend yield	0.00%
Weighted average fair value on grant date	$ 3.01
Maximum [Member]
Risk-free interest rates	0.86%
Expected life in years	5 years 2 months 12 days
Expected volatility	46.47%
Minimum [Member]
Risk-free interest rates	0.70%
Expected life in years	4 years 11 months 12 days
Expected volatility	45.81%