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v2.4.0.8

Warrants to Purchase Common Shares Outstanding (Detail) | Jun. 30, 2013
--- | ---
Class of Warrant or Right [Line Items] |
Amount | 9,866,826
Exercise Price | 1.44
Warrant issued on 4/27/07 |
Class of Warrant or Right [Line Items] |
Amount | 17,500
Exercise Price | 17.90
Expiration Date | 1/17/14
Warrant issued on 7/31/09 |
Class of Warrant or Right [Line Items] |
Amount | 1,734,888
Exercise Price | 1.00
Expiration Date | 7/30/14
Warrant issued on 10/16/09 |
Class of Warrant or Right [Line Items] |
Amount | 7,487,388
Exercise Price | 1.50
Expiration Date | 10/15/14
Warrant issued on 10/16/09 |
Class of Warrant or Right [Line Items] |
Amount | 627,050
Exercise Price | 1.50
Expiration Date | 10/15/14

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 4 -Article 4 + Details
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- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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