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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Accounts receivable, allowances $ 2,943 $ 4,602
Preferred stock, par value $ 0.01 $ 0.01
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 12,531,076 12,430,893
Common stock, shares outstanding 12,531,076 12,430,893
Preferred stock Series A
    
Preferred stock, shares authorized 100 100
Preferred stock, issued      
Preferred stock, outstanding      
Preferred stock Series B
    
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, issued      
Preferred stock, outstanding