COLLABORATIVE ARRANGEMENTS (Tables)

6 Months Ended

Jun. 30, 2013

COLLABORATIVE ARRANGEMENTS

Schedule of revenue recognized from collaborative arrangements

	Three months Ended June 30,				Six months Ended June 30,
(in thousands)	2013		2012		2013		2012
Collaborative arrangements
GSK Collaborative arrangement	$	1,322	$	1,430	$	2,644	$	2,860
Astellas Collaborative arrangement	—		—		—		125,669
Other Collaborative arrangements	5		—		27		—
Total Revenue	$	1,327	$	1,430	$	2,671	$	128,529

Schedule of revenue recognized from GSK under the LABA collaboration and strategic alliance agreements

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2013		2012		2013		2012
LABA collaboration	$	907	$	907	$	1,814	$	1,814
Strategic alliance—MABA program license	415		523		830		1,046
Total revenue	$	1,322	$	1,430	$	2,644	$	2,860