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Description Of The Business And Basis Of Presentation (Details) (USD $)	3 Months Ended		12 Months Ended		0 Months Ended
	Jun. 30, 2012 employee	Jun. 30, 2011	Mar. 31, 2012	Jun. 05, 2012 Hercules Technology Growth Capital [Member]	Apr. 04, 2012 Capital Ventures International [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Cash, cash equivalents, marketable securities and restricted cash	$ 65,700,000
Net loss	(10,275,000)	(37,679,000)
Cash used for operations	(11,591,000)	(57,774,000)
Reduction in global workforce, percentage			50.00%
Number of workforce persons	430
Private placement					25,000,000
Percent of senior convertible notes					7.00%
Borrowed amount				$ 10,000,000

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