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Note 14 - Fair Value of Financial Instruments (Details) - Financial Instruments (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Financial Instruments [Abstract]        
Cash and cash equivalents $ 5,854 $ 1,031 $ 172 $ 17,823
Cash and cash equivalents 5,854 1,031    
Notes receivable, non-current, related party 8,450      
Notes receivable, non-current, related party 8,450      
Notes receivable, current   8,450    
Notes receivable, current   8,450    
Notes receivable, noncurrent 13,668 13,668    
Notes receivable, noncurrent 13,668 13,668    
Line of credit   4,250    
Line of credit   4,250    
Convertible bond 1,369      
Convertible bond $ 1,369