Geographic Information (Tables)
 9 Months Ended
Sep. 30, 2016
Geographic Information [Abstract]  
Revenue from External Customers by Geographic Areas [Table Text Block] Geographic area information related to revenue from customers is as follows:

(in thousands)

 

Nine Months Ended

September 30,

Region

 

2016

 

2015

North America

$

17,942

$

18,826

International:

 

 

 

 

United Kingdom

 

4,272

 

5,682

Europe

 

1,246

 

1,286

Middle East

 

2,753

 

2,704

Other

 

693

 

345

International

 

8,964

 

10,017

Total

$

26,906

$

28,843