Annual report pursuant to Section 13 and 15(d)

Significant Customers and Geographic Data Revenues and Property, Plant, and Equipment by Region (Details)

v3.7.0.1
Significant Customers and Geographic Data Revenues and Property, Plant, and Equipment by Region (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Revenue from External Customer [Line Items]                      
Concentration Risk, Percentage                 10.00%    
Revenues $ 9,321 $ 7,110 $ 6,515 $ 8,736 $ 10,119 $ 9,602 $ 8,764 $ 5,969 $ 31,682 $ 34,454 $ 26,521
Property and equipment, net of depreciation 1,827       2,942       1,827 2,942  
North America                      
Revenue from External Customer [Line Items]                      
Property and equipment, net of depreciation 1,732       2,715       1,732 2,715  
Europe                      
Revenue from External Customer [Line Items]                      
Property and equipment, net of depreciation 95       209       95 209  
Asia                      
Revenue from External Customer [Line Items]                      
Property and equipment, net of depreciation $ 0       $ 18       0 18  
Customer Concentration Risk | Revenues                      
Revenue from External Customer [Line Items]                      
Revenues                 31,682 34,454 26,521
Customer Concentration Risk | North America | Revenues                      
Revenue from External Customer [Line Items]                      
Revenues                 23,089 25,254 22,634
Customer Concentration Risk | Europe | Revenues                      
Revenue from External Customer [Line Items]                      
Revenues                 7,924 8,128 2,712
Customer Concentration Risk | Asia | Revenues                      
Revenue from External Customer [Line Items]                      
Revenues                 $ 669 $ 1,072 $ 1,175