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