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SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
segment
customer
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
customer
Significant Customers, Concentration of Credit Risk and Geographic Information          
Number of operating segments | segment     1    
Revenue, net $ 3,246 $ 2,646 $ 9,105 $ 7,744  
Allowance for doubtful accounts $ 0   $ 0   $ 10
Net revenue | Customer Concentration Risk | Customer A          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent) 23.00% 23.00% 21.00% 21.00%  
Net revenue | Customer Concentration Risk | Customer B          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent) 14.00% 13.00% 12.00% 17.00%  
Net revenue | Customer Concentration Risk | Customer C          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent) 11.00% 14.00% 11.00% 17.00%  
Net revenue | Customer Concentration Risk | Customer D          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent)   15.00% 11.00%    
Net revenue | Geographic Concentration Risk          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Revenue, net $ 3,246 $ 2,646 $ 9,105 $ 7,744  
Net revenue | Geographic Concentration Risk | United states          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Revenue, net 1,699 1,590 5,191 4,462  
Net revenue | Geographic Concentration Risk | Asia          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Revenue, net 1,093 669 2,410 2,056  
Net revenue | Geographic Concentration Risk | Europe and other          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Revenue, net 454 $ 387 $ 1,504 $ 1,226  
Accounts receivable | Credit Concentration Risk          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Number of customers | customer     4   4
Accounts receivable | Credit Concentration Risk | Customer One          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent)     31.00%   33.00%
Accounts receivable | Credit Concentration Risk | Customer Two          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent)     26.00%   19.00%
Accounts receivable | Credit Concentration Risk | Customer Three          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent)     10.00%   14.00%
Accounts receivable | Credit Concentration Risk | Customer Four          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Concentration risk (as a percent)     10.00%   11.00%
Assets | Geographic Concentration Risk          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Total long-lived assets 395   $ 395   $ 189
Assets | Geographic Concentration Risk | United states          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Total long-lived assets 84   84   45
Assets | Geographic Concentration Risk | Asia          
Significant Customers, Concentration of Credit Risk and Geographic Information          
Total long-lived assets $ 311   $ 311   $ 144