The net loss was significantly reduced to $3.8m for the second quarter, compared to a net loss of $12.4m for the second quarter in fiscal 2011.
The net loss improved due to increased revenue recognized from up-front and milestone payments during the current quarter.
The company reported revenue of $45.4m for the six-month period ended 31 December 2011, compared to revenue of $35.0m for the same period in fiscal 2011.
Net loss for the six months ended 31 December 2011 was $7.4m compared to a net loss of $23.1m for the corresponding period in fiscal 2011.