Common Stock And Stock Options (Tables)

12 Months Ended

Dec. 31, 2013

Shareholders' Equity And Stock-Based Compensation [Abstract]

Summary Of Stock Option Activity

			Weighted-average		Aggregate
	Number of Shares		Exercise Price		Intrinsic Value
Outstanding at December 31, 2010	1,072	$	5.60
Options forfeited or cancelled	(95)		3.07
Options granted	177		4.43
Options exercised	(69)		2.30
Outstanding at December 31, 2011	1,085		5.84
Options forfeited or cancelled	(3)		6.76
Options granted	182		6.42
Options exercised	(20)		2.54
Outstanding at December 31, 2012	1,244		5.97
Options forfeited or cancelled	(15)		5.21
Options granted	192		4.06
Options exercised	(14)		2.86
Outstanding at December 31, 2013	1,407	$	5.75	$	348
Exercisable at December 31, 2012	925	$	6.13	$	425
Exercisable at December 31, 2013	1,043	$	6.05	$	348
Available for future grant at December 31, 2013	182

Schedule Of Weighted Average Assumptions

	2013		2012		2011
Dividend yield	0.0	%	0.0	%	0.0	%
Expected volatility	70.84 - 72.19	%	68.94 - 72.71	%	68.68 - 69.22	%
Risk-free interest rate	.91-1.07	%	.83 - 1.10	%	2.06 - 2.22	%
Expected life (years)	6.0		5.0 - 6.0		5.00