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Stockholders' Equity (Summary Of Warrants Activity) (Detail) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 29, 2007 | Mar. 31, 2004 | Oct. 31, 2003 | Dec. 31, 2002 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Warrants outstanding, ending balance |  |  |  |  |  | 307,022 | 1,599,404
Warrants Outstanding |  |  |  |  |  |  |
Warrants outstanding, beginning balance |  |  |  |  | 307,022 | 1,599,404 | 1,932,737
Expiration of warrants assumed |  |  |  |  |  | (73,889) | (333,333)
Expiration of warrants | June 2010 | March 2007 | October 2008 | December 2005 |  | June 2008 | June 2007
Warrants exercised from amendment to Notes with related parties |  |  |  |  | (307,022) | (1,218,493) |
Warrants outstanding, ending balance |  |  |  |  |  | 307,022 | 1,599,404
Weighted Average Exercise Price of Warrants |  |  |  |  |  |  |
Warrants outstanding, Weighted Average Exercise Price, beginning period |  |  |  |  | $ 0.95 | $ 0.95 | $ 0.99
Expiration of warrants assumed, Weighted Average Exercise Price |  |  |  |  |  | $ 0.90 | $ 1.20
Warrants exercised from amendment to Notes with related parties, Weighted Average Exercise Price |  |  |  |  | $ 0.95 | $ 0.95 |
Warrants outstanding, ending balance |  |  |  |  | $ 0.00 | $ 0.95 | $ 0.95

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