Note 3 - Business Combinations (Details) - Summary of consideration Paid for Altior (USD $) In Thousands, unless otherwise specified	Mar. 22, 2013
Summary of consideration Paid for Altior [Abstract]
Cash	$ 1,000
Equity instruments	3,740
Estimated Fair value of earn-out payments	10,138
Total consideration paid	$ 14,878

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

Name:	us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant