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DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Apr. 30, 2013 Item	Dec. 31, 2012
Business Separation
Number of independent publicly traded companies created as a result of the separation of businesses as approved by the Board of Directors		2
Number of companies, which will continue to manage all development and commercial responsibilities under the LABA collaboration with GSK and associated potential royalty revenue		1
Raw materials	$ 3,531		$ 5,668
Work-in-process	4,709		1,846
Total inventory	$ 8,240		$ 7,514

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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