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SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
USD ($)
segment
customer
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
customer
Significant Customers, Concentration of Credit Risk and Geographic Information      
Number of operating segments | segment 1    
Revenue, net $ 2,884 $ 2,805  
Allowance for doubtful accounts $ 0   $ 0
Net revenue | Customer Concentration Risk | Customer A      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 17.00% 19.00%  
Net revenue | Customer Concentration Risk | Customer B      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 16.00%    
Net revenue | Customer Concentration Risk | Customer C      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 12.00%    
Net revenue | Customer Concentration Risk | Customer D      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 12.00% 11.00%  
Net revenue | Customer Concentration Risk | Customer E      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent)   11.00%  
Net revenue | Customer Concentration Risk | Customer F      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent)   10.00%  
Net revenue | Geographic Concentration Risk      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Revenue, net $ 2,884 $ 2,805  
Net revenue | Geographic Concentration Risk | United states      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Revenue, net 1,226 1,579  
Net revenue | Geographic Concentration Risk | Asia and Middle East      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Revenue, net 1,157 685  
Net revenue | Geographic Concentration Risk | Europe and other      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Revenue, net $ 501 $ 541  
Accounts receivable | Credit Concentration Risk      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Number of customers | customer 3   2
Accounts receivable | Credit Concentration Risk | Customer One      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 31.00%   44.00%
Accounts receivable | Credit Concentration Risk | Customer Two      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 27.00%   15.00%
Accounts receivable | Credit Concentration Risk | Customer Three      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Concentration risk (as a percent) 10.00%    
Assets | Geographic Concentration Risk      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Total long-lived assets $ 349   $ 354
Assets | Geographic Concentration Risk | United states      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Total long-lived assets 99   87
Assets | Geographic Concentration Risk | Asia      
Significant Customers, Concentration of Credit Risk and Geographic Information      
Total long-lived assets $ 250   $ 267