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Stock-Based Compensation (Tables)

12 Months Ended

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.

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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.

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