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Accounts Receivable Net (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Accounts receivable, net    
Allowance for doubtful accounts $ (331) $ (401)
Total accounts receivable, net 17,450 14,246
Security Products [Member]
    
Accounts receivable, net    
Total accounts receivable, net 8,853 7,637
Furniture Components [Member]
    
Accounts receivable, net    
Total accounts receivable, net 7,806 6,208
Marine Components [Member]
    
Accounts receivable, net    
Total accounts receivable, net $ 1,122 $ 802