Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Shareholders' Equity [Abstract]

Summary Of Stock Option Activity

	2012				2011				2010
	Shares		WAEP*		Shares		WAEP*		Shares		WAEP*
Options outstanding at beginning of year	535,333		$	9.58	463,433		$	9.11	431,133		$	8.10
Granted	159,750		$	5.12	156,000		$	10.21	85,000		$	12.33
Exercised	(56,000	)	$	2.17	(32,100	)	$	3.29	(37,700	)	$	3.31
Forfeited or expired	(240,190	)	$	11.02	(52,000	)	$	11.16	(15,000	)	$	6.69
Options outstanding at end of year	398,893		$	7.95	535,333		$	9.58	463,433		$	9.11
Options eligible for exercise at year-end	160,143		$	9.84	249,333		$	8.81	213,058		$	7.64

Schedule Of Weighted Average Assumptions

	2012		2011		2010
Expected life (in years)	4.8		3.1		2.8
Risk-free interest rate	0.72	%	1.47	%	1.39	%
Expected volatility	42	%	44	%	78	%
Dividend yield	0	%	0	%	0	%

Schedule Of Other Option Information

	2012		2011		2010
Cash received from the exercise of stock options	$	121,000	$	105,000	$	121,000
Stock-based compensation expense recognized within general and administrative expense on the consolidated statements of operations		244,000		412,000		342,000
Excess income tax benefits from exercise of stock options		71,000		37,000		72,000