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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 $ 204 $ 209
Preferred Stock, par value (in dollars per share) $ 1 $ 1
Preferred Stock, Shares Authorized 1,000,000 1,000,000
Preferred Stock, Shares Issued 250,000 250,000
Preferred Stock, Shares Outstanding 250,000 250,000
Common Stock - par value (in dollars per share) $ 0.01 $ 0.01
Common Stock - Shares Authorized 9,000,000 9,000,000
Common Stock - Shares Issued 2,686,328 2,739,250
Common Stock - Shares Outstanding 2,686,328 2,739,250