Fair Value Measurements (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net income	$ (793,000)	$ 2,060,000
Long-lived assets, currently not in use	9,400,000
Asset impairment charge	0	0	700,000
Arlon
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charge			$ 700,000