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Significant Customers, Concentrations of Credit Risk, and Geographic Information (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) customer segment	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) customer
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Number of operating segments | segment			1
Revenue, net	$ 1,851	$ 2,223	$ 5,882	$ 5,855
Allowance for doubtful accounts	0		0		$ 0
Total long-lived assets	529		529		712
United States
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Revenue, net	661	674	2,657	1,534
Total long-lived assets	314		314		536
Asia and Middle East
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Revenue, net	1,069	1,383	2,849	3,873
Asia
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Total long-lived assets	215		215		$ 176
Europe and other
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Revenue, net	$ 121	$ 166	$ 376	$ 448
Net revenue | Customer Concentration Risk | Customer A
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)	20.00%	15.00%	27.00%	11.00%
Net revenue | Customer Concentration Risk | Customer B
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)		17.00%		22.00%
Net revenue | Customer Concentration Risk | Customer C
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)	15.00%		18.00%
Net revenue | Customer Concentration Risk | Customer D
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)	12.00%
Net revenue | Customer Concentration Risk | Customer E
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)	10.00%	12.00%		12.00%
Accounts receivable | Credit Concentration Risk
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Number of customers | customer			3		3
Accounts receivable | Credit Concentration Risk | Customer One
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)			35.00%		39.00%
Accounts receivable | Credit Concentration Risk | Customer Two
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)			16.00%		18.00%
Accounts receivable | Credit Concentration Risk | Customer Three
SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION
Concentration risk (as a percent)			14.00%		12.00%

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