Note 2 - Acquisitions (Details) - Components of Intangible Assets Acquired (Reach Media Group Holdings, Inc. [Member], USD $)
Apr. 08, 2013
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired Intangible Assets $ 19,460,000
Partner Relationships [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired Intangible Assets 8,800,000
Customer Relationships [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired Intangible Assets 6,500,000
Trademarks and Trade Names [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired Intangible Assets 1,700,000
Developed Technology Rights [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired Intangible Assets 1,600,000
Noncompete Agreements [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items]  
Acquired Intangible Assets $ 860,000