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Warrants And Other Derivatives (Tables)

6 Months Ended

Sep. 30, 2012

Schedule Of Fair Value Assumptions Used To Calculate The Value Of The Convertible Note Derivative Feature

		September 30,		June 30,		April 4,
		2012		2012		2012
Expected Volatility		70.0	%	71.0	%	75.0	%
Risk Free Rate		0.23	%	0.33	%	0.44	%
Bond Yield		15.0	%	16.0	%	15.0	%
Recovery Rate		30.0	%	30.0	%	30.0	%
Redeemable		yes		yes		yes
Total Time (years)		2.01		2.28		2.5
Dilution Effect		yes		yes		yes
Indicated Percent of Par		108.0	%	121.0	%	117.0	%
Fair Value	$	2.8 million	$	4.5 million	$	3.8 million

Securities Purchase Agreement [Member]

Schedule Of The Fair Value Of The Warrants Using The Black-Scholes Option Pricing Model

		September 30,		June 30,		April 4,
		2012		2012		2012
Risk-free interest rate		0.63	%	0.77	%	1.19	%
Expected annual dividend yield		0.0	%	0.0	%	0.0	%
Expected volatility		80.9	%	80.8	%	80.0	%
Term		5.01 years		5.28 years		5.5 years
Fair Value	$	7.1 million	$	8.6 million	$	7.0 million

Loan And Security Agreement [Member]

Schedule Of The Fair Value Of The Warrants Using The Black-Scholes Option Pricing Model

		September 30,		June 30,		June 5,
		2012		2012		2012
Risk-free interest rate		0.64	%	0.80	%	0.77	%
Expected annual dividend yield		0.0	%	0.0	%	0.0	%
Expected volatility		81.18	%	80.32	%	79.90	%
Term		5.18		5.44 years		5.5
Fair Value	$	0.4 million	$	0.5 million	$	0.4 million

X

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

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X

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

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