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Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Trade, allowances $ 275 $ 305
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 2,000,000 2,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 96,000,000 96,000,000
Common stock, shares issued (in shares) 32,634,915 32,759,806
Common stock, shares outstanding (in shares) 32,634,915 32,759,806