Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Condensed Consolidated Balance Sheets    
Accounts receivable, allowances (in dollars) $ 2,005 $ 2,102
Common Stock, par value (in dollars per share) $ 0.01 $ 0.01
Common Stock, shares authorized 10,000,000 10,000,000
Common Stock, shares issued 5,284,500 5,284,500
Common Stock, shares outstanding 4,479,787 4,454,829
Treasury stock, shares 804,713 829,671