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Stock Option Grants and Warrants (Tables) | 12 Months Ended
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Jun. 30, 2012
Stock Option Grants And Warrants [Abstract] |
Summary of Stock Option Activity |
|  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |
Outstanding and exercisable, June 30, 2010 |  |  | 8,535,731 |  |  | $ | 0.50 |  |  |  | 8.39 |
Granted |  |  | 2,632,000 |  |  | $ | 1.04 |  |  |  | 9.65 |
Exercised |  |  | (469,571 | ) |  | $ | 0.32 |  |  |  | 7.54 |
Forfeited |  |  | (200,000 | ) |  | $ | 0.74 |  |  |  | — |
Expired or Cancelled |  |  | — |  |  | $ | 0.00 |  |  |  | — |
Outstanding and exercisable, June 30, 2011 |  |  | 10,498,160 |  |  | $ | 0.64 |  |  |  | 7.93 |
Granted |  |  | 2,249,503 |  |  | $ | 2.00 |  |  |  | 9.11 |
Exercised |  |  | (1,612,000 | ) |  | $ | 0.45 |  |  |  | 6.97 |
Forfeited |  |  | (28,667 | ) |  | $ | 1.57 |  |  |  | — |
Expired or Cancelled |  |  | — |  |  |  |  |  |  |  |  |
Outstanding and exercisable, June 30, 2012 |  |  | 11,106,996 |  |  | $ | 0.94 |  |  |  | 7.36 |
Summary of the warrants granted |
|  | Common Stock Warrants |
Outstanding and exercisable, June 30, 2010 |  |  | 38,580,294 |
Issued |  |  | 107,992 |
Cancelled |  |  | — |
Exercised |  |  | (13,228,192 | )
Expired |  |  | — |
Outstanding and exercisable, June 30, 2011 |  |  | 25,460,094 |
Issued |  |  | 270,000 |
Cancelled |  |  | — |
Exercised |  |  | (12,562,859 | )
Expired |  |  | (203,000 | )
Outstanding and exercisable, June 30, 2012 |  |  | 12,964,235 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + 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=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 28 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 4 -Section 08 -Paragraph i Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 + Details
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