Patents and Licenses (Tables)

12 Months Ended

Dec. 31, 2013

Information Regarding Patents and Licenses

The following tables provide information regarding patents and licenses (dollars in thousands):

December 31, 2013						December 31, 2012
Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization		Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization
	18.55	$	13,840	$	11,032		14.88	$	11,690	$	10,853

Estimated Future Amortization Expense

Estimated future amortization expense for each of the years set forth below ending December 31, is as follows (in thousands):

2014	$ 269
2015	$ 269
2016	$ 269
2017	$ 173
2018	$ 141