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Note 3 - Discontinued Operations (Details Textual)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 30, 2012
USD ($)
Oct. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
Discontinued Operations [Member]          
Capital Lease Obligations, Current       $ 1,000  
Liabilities, Current       $ 700  
Discontinued Operation Disposal Price $ 16,100        
Proceeds from Sales of Business, Affiliate and Productive Assets 13,100        
Notes Receivable, Related Parties, Current $ 3,000        
Number of Facilities Used as Collateral Sold in Period       1  
Proceeds from Advance Payment on Notes Receivable   $ 2,800      
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax     $ (200)    
Liabilities, Current       $ 115,808 $ 138,791