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Note 3 - Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Nov. 26, 2013
Note 3 - Discontinued Operations (Details) [Line Items]        
Escrow Deposit $ 500      
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax 3,915      
Pool and Commercial Products [Member]
       
Note 3 - Discontinued Operations (Details) [Line Items]        
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds 5,200     5,200
Escrow Deposit 500      
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax 3,915      
Disposal Group, Including Discontinued Operation, Revenue $ 4,455 $ 6,462 $ 5,299