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Business Segment Information and Geographic Data (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting [Abstract]    
Severance costs $ 200 $ 700
German levy settlement 5,000
Pension settlement cost 1,100
Earnest money payment relating to asset sale   1,500
Reversal of cost   $ 400