Intangible and Other Assets (Tables)

6 Months Ended

Jun. 30, 2013

Intangible and Other Assets [Abstract]

Schedule of Expected Amortization Expense [Table Text Block]

For disclosure purposes, the table below includes future amortization expense for patents and licenses owned by the Company as well as estimated amortization expense related to patents that remain pending at June 30, 2013 of $107 thousand. This estimated expense for patents pending assumes that the patents are issued immediately, and therefore are being amortized over five years on a straight-line basis. Estimated amortization expense for the periods ending December 31, is as follows: 

(in thousands)	Amortization Expense
2013 remaining 6 months	$	38
2014	68
2015	44
2016	30
2017	27
2018	16
Thereafter	28
	$	251