Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting and Foreign Operations (Details 2)

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Segment Reporting and Foreign Operations (Details 2) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area $ 17,697 $ 17,144 $ 31,819 $ 33,465  
Operating loss by geographic area (1,695) (2,371) (4,505) (3,065)  
Net income (loss) by geographic area (1,695) (2,463) (4,599) (3,286)  
Identifiable assets by geographic area 65,537   65,537   $ 62,060
Long lived assets by geographic area 34,533   34,533   32,428
United States          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area 17,680 17,137 31,802 33,458  
Operating loss by geographic area (1,478) (2,028) (3,998) (2,637)  
Net income (loss) by geographic area (1,487) (2,119) (4,101) (2,858)  
Identifiable assets by geographic area 64,458   64,458   61,149
Long lived assets by geographic area 34,506   34,506   32,398
Canada          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area 17 7 17 7  
Operating loss by geographic area (211) (231) (492) (231)  
Net income (loss) by geographic area (211) $ (232) (492) $ (231)  
Identifiable assets by geographic area 305   305   133
Long lived assets by geographic area $ 27   $ 27   30
Saudi Arabia          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area          
Operating loss by geographic area $ (6) $ (112) $ (15) $ (197)  
Net income (loss) by geographic area 3 $ (112) (6) $ (197)  
Identifiable assets by geographic area $ 774   $ 774   $ 778
Long lived assets by geographic area          
Eliminations          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area          
Operating loss by geographic area          
Net income (loss) by geographic area          
Identifiable assets by geographic area          
Long lived assets by geographic area