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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2015
Fair Value Disclosures [Abstract]  
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block]
  Fair Value as of June 30, 2015
(In thousands)Level 1Level 2Level 3Total
Liabilities:
Interest rate swap agreements$-$39$-$39
  Fair Value as of December 31, 2014
(In thousands)Level 1Level 2Level 3Total
Liabilities:
Interest rate swap agreements$-$18$-$18