Geographic Information (Tables)
 6 Months Ended
Jun. 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:

 

 

Six Months Ended June 30,

Region

 

2016

 

2015

North America

$

11,524

$

12,650

International:

 

 

 

 

United Kingdom

 

2,672

 

3,418

Europe

 

810

 

1,224

Middle East

 

1,901

 

1,102

Other

 

470

 

255

International

 

5,853

 

5,999

Total

$

17,377

$

18,649