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Note 3 - Discontinued Operations (Details Textual)
$ in Millions
1 Months Ended 3 Months Ended
Mar. 30, 2012
USD ($)
Oct. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Discontinued Operation Disposal Price $ 16.1    
Proceeds from Sales of Business, Affiliate and Productive Assets 13.1    
Notes Receivable, Related Parties, Current $ 3.0    
Number of Facilities Used as Collateral Sold in Period     1
Proceeds from Advance Payment on Notes Receivable   $ 2.8  
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax     $ (0.2)