Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Leases, Capital [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

For the year ended December 31,
2014	$	141
2015		96
2016		65
2017		59
2018		0
2019 and beyond		0
Total net minimum lease payments		361
Less amount representing interest		(18)
Present value of net minimum lease payments	$	343

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

		December 31,
		2013		2012
Land	$	8,510	$	8,346
Building and improvements		80,644		72,292
Machinery and equipment		136,549		134,754
Construction in progress		8,162		9,785
		233,865		225,177
Less accumulated depreciation		(148,377)		(140,065)
	$	85,488	$	85,112