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Restructuring and Other Exit Costs (Tables)
9 Months Ended
Sep. 30, 2019
Restructuring and other exit costs [Abstract]  
Restructuring and other exit costs [Table Text Block]
(in thousands)Cost of RevenuesSeverance CostsImpairmentOtherTotal
Balance at June 30, 2019$-$-$-$-$-
Restructuring charges23520946010914
Non-cash charges(235)-(460)(10)(705)
Cash payments-(1)--(1)
Balance at September 30, 2019$-$208$-$-$208