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Quarterly Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Quarterly Information (unaudited) [Abstract]
Revenues	$ 101	$ 230	$ 231	$ 154					$ 716
Gross profit	101	230	231	154
Operating expenses	4,072	4,840	2,349	4,486	3,837	2,699	2,824	1,754
Operating loss	(3,971)	(4,610)	(2,118)	(4,332)	(3,837)	(2,699)	(2,824)	(1,754)	(15,031)	(11,114)	(7,439)
Net loss	$ (4,135)	$ (4,171)	$ (1,992)	$ (4,493)	$ (3,725)	$ (2,613)	$ (2,821)	$ (1,689)	$ (14,794)	$ (10,848)	$ (7,453)
Basic and diluted net loss per share	$ (0.09)	$ (0.09)	$ (0.05)	$ (0.11)	$ (0.09)	$ (0.07)	$ (0.11)	$ (0.08)	$ (0.34)	$ (0.35)	$ (0.44)

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

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