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Stock-Based Compensation (Tables) | 12 Months Ended
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Jun. 30, 2012
Key Assumptions Used to Apply Option Pricing Model for Options Granted | The key assumptions used to apply the option pricing model for options granted under the 2008 Plan during the years ended June 30, 2012, 2011 and 2010 were as follows:
|  | 2012 |  | 2011 |  | 2010
Option life (in years) |  | 3.50 - 6.25 |  | 3.50 - 6.25 |  | 5.50 - 6.25
Stock volatility |  | 88% - 97% |  | 95% |  | 95%
Risk-free interest rate |  | 0.53% - 2.02% |  | 1.13% - 2.35% |  | 2.36% - 2.62%
Expected dividends |  | 0.0% |  | 0.0% |  | 0.0%
Summary of Information about Stock Options | The following table summarizes information about stock options for the years ended June 30, 2012, 2011 and 2010:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Weighted-average grant date fair value, per share |  | $ | 2.41 |  |  | $ | 3.24 |  |  | $ | 3.10 |
Total cash received from exercise of stock options (in thousands) |  |  | 114 |  |  |  | 17 |  |  |  | 318 |
Total intrinsic value of stock options exercised (in thousands) |  |  | 119 |  |  |  | 12 |  |  |  | 78 |
Compensation Expense from Stock-Based Payment Awards | The Company’s statements of operations included total compensation expense from stock-based payment awards as follows:
|  | Year ended June 30, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Compensation expense from: |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  | $ | 1,411 |  |  | $ | 2,052 |  |  | $ | 1,385 |
Issuance of fully vested shares |  |  | — |  |  |  | — |  |  |  | 110 |
|  | $ | 1,411 |  |  | $ | 2,052 |  |  | $ | 1,495 |
Compensation expense included in: |  |  |  |  |  |  |  |  |  |  |  |
Research and development |  | $ | 597 |  |  | $ | 400 |  |  | $ | 306 |
General and administrative |  |  | 814 |  |  |  | 1,652 |  |  |  | 1,189 |
|  | $ | 1,411 |  |  | $ | 2,052 |  |  | $ | 1,495 |
2008 Incentive Plan |
Stock Option Activity Under Plan | The following table provides a reconciliation of stock option activity under the 2008 Plan for fiscal 2012:
|  | Number of options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
|  |  |  |  |  |  |  | (in years) |  |  |  |
Outstanding at July 1, 2011 |  |  | 2,605,895 |  |  | $ | 2.63 |  |  |  |  |  |  |  |  |
Granted |  |  | 768,350 |  |  |  | 4.93 |  |  |  |  |  |  |  |  |
Exercised |  |  | (53,950 | ) |  |  | 2.12 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (266,940 | ) |  |  | 4.05 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2012 |  |  | 3,053,355 |  |  | $ | 3.10 |  |  |  | 7.44 |  |  | $ | 915 |
Outstanding at June 30, 2012—vested or unvested and expected to vest |  |  | 2,977,909 |  |  | $ | 3.08 |  |  |  | 7.42 |  |  | $ | 910 |
Exercisable at June 30, 2012 |  |  | 1,668,034 |  |  | $ | 2.40 |  |  |  | 6.84 |  |  | $ | 781 |
Employee Share Option Plan |
Stock Option Activity Under Plan | The following table provides a reconciliation of stock option activity under the Plan for fiscal 2012:
|  | Number of options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
|  |  |  |  | A$ |  |  | (in years) |  |  | A$ |
Outstanding at July 1, 2011 |  |  | 135,000 |  |  |  | 6.75 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (22,500 | ) |  |  | 13.00 |  |  |  |  |  |  |  |  |
Outstanding and exercisable at June 30, 2012 |  |  | 112,500 |  |  |  | 5.50 |  |  |  | 0.25 |  |  |  | — |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -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 SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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