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SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment customer	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($) customer
Significant Customers, Concentration of Credit Risk and Geographic Information
Number of operating segments | segment			1
Revenue, net	$ 3,054,000	$ 2,841,000	$ 5,859,000	$ 5,098,000
Allowance for doubtful accounts	$ 0		$ 0		$ 10,000
Net revenue | Customer Concentration Risk | Customer A
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)	20.00%	23.00%	20.00%	20.00%
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%
Net revenue | Customer Concentration Risk | Customer C
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)	12.00%	16.00%	11.00%	19.00%
Net revenue | Customer Concentration Risk | Customer D
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)	12.00%	23.00%	10.00%	20.00%
Net revenue | Customer Concentration Risk | Customer E
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)	10.00%		10.00%
Net revenue | Geographic Concentration Risk
Significant Customers, Concentration of Credit Risk and Geographic Information
Revenue, net	$ 3,054,000	$ 2,841,000	$ 5,859,000	$ 5,098,000
Net revenue | Geographic Concentration Risk | United states
Significant Customers, Concentration of Credit Risk and Geographic Information
Revenue, net	1,913,000	1,576,000	3,492,000	2,872,000
Net revenue | Geographic Concentration Risk | Asia
Significant Customers, Concentration of Credit Risk and Geographic Information
Revenue, net	632,000	862,000	1,317,000	1,387,000
Net revenue | Geographic Concentration Risk | Europe and other
Significant Customers, Concentration of Credit Risk and Geographic Information
Revenue, net	509,000	$ 403,000	$ 1,050,000	$ 839,000
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)			24.00%		33.00%
Accounts receivable | Credit Concentration Risk | Customer Two
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)			21.00%		19.00%
Accounts receivable | Credit Concentration Risk | Customer Three
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)			12.00%		14.00%
Accounts receivable | Credit Concentration Risk | Customer Four
Significant Customers, Concentration of Credit Risk and Geographic Information
Concentration risk (as a percent)			12.00%		11.00%
Assets | Geographic Concentration Risk
Significant Customers, Concentration of Credit Risk and Geographic Information
Total long-lived assets	321,000		$ 321,000		$ 189,000
Assets | Geographic Concentration Risk | United states
Significant Customers, Concentration of Credit Risk and Geographic Information
Total long-lived assets	60,000		60,000		45,000
Assets | Geographic Concentration Risk | Asia
Significant Customers, Concentration of Credit Risk and Geographic Information
Total long-lived assets	$ 261,000		$ 261,000		$ 144,000

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