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Summary of Significant Accounting Policies (Details Textual 1) (USD $) | 12 Months Ended |
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Jun. 30, 2012 Y | Jun. 30, 2011 Y | Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Minimum price, common stock | $ 1.33 | $ 0.48 |
Maximum price, common stock | $ 3.53 | $ 1.28 |
Company's common stock purchased in aggregate | 11,106,996 | 10,498,160 | 8,535,731
Summary of Significant Accounting Policies (Textual 1) [Abstract] |  |  |
Risk free interest rate, Minimum | 0.59% | 1.33% |
Risk free interest rate, Maximum | 1.41% | 2.64% |
Dividend yield | 0.00% | 0.00% |
Expected life, minimum | 3.0 | 3.0 |
Expected life, maximum | 6.65 | 6.65 |
Expected volatility rate, minimum | 119.00% | 125.00% |
Expected volatility rate, maximum | 137.00% | 129.00% |
2007 Long-Term Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum common stock issued under Long-Term Incentive Plan | 10,000,000 |  |
Minimum price, common stock | $ 0.21 |  |
Maximum price, common stock | $ 1.50 |  |
Vesting period of LTIP, Minimum | 1 Year |  |
Vesting period of LTIP, Maximum | 3 Year |  |
Company's common stock purchased in aggregate | 6,927,160 |  |
Shares available for issuance under the plan | 26,269 |  |
2010 Long-Term Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum common stock issued under Long-Term Incentive Plan | 6,900,000 |  |
Minimum price, common stock | $ 0.63 |  |
Maximum price, common stock | $ 3.53 |  |
Vesting period of LTIP, Minimum | 1 Year |  |
Vesting period of LTIP, Maximum | 4 Year |  |
Company's common stock purchased in aggregate | 4,029,836 |  |
Shares available for issuance under the plan | 2,510,164 |  |

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- Definition The maximum vesting term over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition. + References No definition available. + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph e(2)(c) -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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