INVENTORIES (Details) (USD $) In Thousands, unless otherwise specified			3 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Actient	Jun. 30, 2013 XIAFLEX Consignment Inventory
Inventories
Raw materials	$ 7,106	$ 8,183
Work-in-process	70,918	53,037
Finished goods	19,930	10,611
Total inventories	97,954	71,831
Inventories, current	40,261	22,134		1,535
Inventories, non-current	57,693	49,697
Step-up in value of inventory to record the acquired inventories at their net realizable value			11,704
Inventory step-up recognized as cost of goods sold			$ 4,495