Note 16 - Subsequent Events (Details) (USD $)	3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Oct. 01, 2014 Subsequent Event [Member] Xopenex Acquisition [Member]	Sep. 30, 2014 Xopenex Acquisition [Member]	Sep. 30, 2014 Xopenex Acquisition [Member]
Note 16 - Subsequent Events (Details) [Line Items]
Acquisition of Product Rights and Related Inventory					$ 45,000,000
Business Combination, Acquisition Related Costs	$ 8,062,000	$ 1,459,000	$ 29,289,000	$ 1,978,000		$ 200,000	$ 200,000

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

Name:	us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration