Quarterly report pursuant to Section 13 or 15(d)

Foreign Operations (Details)

v3.10.0.1
Foreign Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area $ 940 $ 871 $ 2,627 $ 3,007  
Operating income (loss) by geographic area (3,317) (4,695) (11,579) (12,066)  
Net income (loss) by geographic area (5,180) (14,641) (17,278) (27,129)  
Identifiable assets by geographic area 12,991   12,991   $ 27,691
Long lived assets by geographic area 7,220   7,220   9,931
United States [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area 930 864 2,606 2,874  
Operating income (loss) by geographic area (3,022) (4,197) (10,422) (10,720)  
Net income (loss) by geographic area (4,885) (14,134) (16,117) (25,757)  
Identifiable assets by geographic area 12,644   12,644   27,212
Long lived assets by geographic area 7,056   7,056   9,599
Canada [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area 10 7 21 133  
Operating income (loss) by geographic area (317) (498) (1,192) (1,346)  
Net income (loss) by geographic area (317) (498) (1,196) (1,346)  
Identifiable assets by geographic area 244   244   432
Long lived assets by geographic area 144   144   318
Saudi Arabia [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area  
Operating income (loss) by geographic area  
Net income (loss) by geographic area (9) (26)  
Identifiable assets by geographic area    
Long lived assets by geographic area    
India [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area 76 202  
Operating income (loss) by geographic area 22 35  
Net income (loss) by geographic area 22 35  
Identifiable assets by geographic area 103   103   47
Long lived assets by geographic area 20   20   14
Eliminations [Member]          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues by geographic area (76) (202)  
Operating income (loss) by geographic area  
Net income (loss) by geographic area  
Identifiable assets by geographic area    
Long lived assets by geographic area