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Warrants And Derivative Liabilities (Schedule Of Fair Value Assumptions Used To Calculate The Value Of The Convertible Note Derivative Feature) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended
	Dec. 31, 2012	Apr. 04, 2012	Jun. 30, 2012	Sep. 30, 2012	Dec. 20, 2012 Post-Modification [Member]	Dec. 20, 2012 Pre-Modification [Member]
Stock Price	$ 2.62	$ 3.97	$ 4.68	$ 4.15	$ 2.95	$ 2.95
Percentage Volume Condition Met	94.50%	85.90%	75.20%	51.00%	94.90%	28.60%
Expected Volatility	73.50%	75.00%	71.00%	70.00%	72.50%	72.50%
Risk Free Rate	0.23%	0.44%	0.33%	0.23%	0.25%	0.25%
Bond Yield	16.50%	15.00%	16.00%	15.00%	16.50%	16.50%
Recovery Rate	30.00%	30.00%	30.00%	30.00%	30.00%	30.00%
Redeemable	yes	yes	yes	yes	yes	yes
Total Time (years)	1 year 9 months 4 days	2 years 6 months	2 years 3 months 11 days	2 years 4 days	1 year 9 months 15 days	1 year 9 months 15 days
Dilution Effect	yes	yes	yes	yes	yes	yes
Indicated Percent of Par	98.00%	117.00%	121.00%	108.00%	119.00%	99.00%
Fair value	$ 1.0	$ 3.8	$ 4.5	$ 2.8	$ 1.5	$ 0.9

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