Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Summary Of Significant Accounting Policies [Abstract]
Depreciation expense	$ 174,000	$ 183,000
Stock option awards granted	0	0
Expected life	1 year
Expected volatility	51.00%
Dividend yield	0.00%
Risk-free interest rate	0.16%
Fair value of stock-based rights granted	11,000	16,000
Stock-based compensation expense	77,000	185,000
Stock options exercised	6,666	0
Proceeds received from options exercised	$ 13,000
Options not included in computation because they were anti-dilutive	1,322,000
Weighted average exercise of price of options outstanding that were anti-dilutive	$ 3.45